Artículos de revistas: "C-section"

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Means, Casey. "C-section". American Journal of Obstetrics and Gynecology 211, n.º 4 (octubre de 2014): e4. http://dx.doi.org/10.1016/j.ajog.2014.07.020.

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Jahan, Tanvir y Arif Siddiq. "C-SECTION DELIVERY". Professional Medical Journal 25, n.º 08 (9 de agosto de 2018): 1182–86. http://dx.doi.org/10.29309/tpmj/18.4904.

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Morris, Theresa. "C-Section Epidemic". Contexts 13, n.º 1 (febrero de 2014): 70–72. http://dx.doi.org/10.1177/1536504214522013.

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Jahan, Tanvir y Arif Siddiq. "C-SECTION DELIVERY;". Professional Medical Journal 25, n.º 08 (4 de agosto de 2018): 1182–86. http://dx.doi.org/10.29309/tpmj/2018.25.08.65.

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Objective: To evaluate the common reasons for C/section done at tertiary carehospital and to look into their major determinants, in order to reduce the rate of C/sectiondelivery and its associated mortality and morbidity. Study design: Retrospective, descriptivestudy. Place and duration of study: At Ibn-E-Siena Hospital, the duration of study was 1 yearfrom November 2016 to October 2017. Material methods: The study included 250 patientswho were delivered by Caesarean delivery. All the patients who were delivered abdominallyafter 28 weeks of gestation were included in this study. The women delivered abdominallybefore 28 weeks gestation were excluded from study. Results: The common indications forC/section in this study were previous C/section delivery in 37.6%, oligohydramnios 36%, fetaldistress 12%, hypertensive disorders of pregnancy 7.2%, multiple pregnancy 5.6%, pretermlabour 5.6%, failed progress of labour and bad obstetrical history 4.8% each, placenta previa3.2% and cardiac disease 0.8%. Conclusion: Repeat C-section has become the commonestindications for C-section effort should be put in to reduce the rate of C/section in primigravidas,proper trial of labour should be given, and fetal distress should be properly diagnosed beforegoing for C/section.

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Landstreet, John D. "Panel discussion section C". Proceedings of the International Astronomical Union 2004, IAUS224 (julio de 2004): 167–71. http://dx.doi.org/10.1017/s1743921304004521.

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Taylor, Katherine. "My Lovely C-Section". Journal of Perinatal Education 19, n.º 2 (1 de enero de 2010): 4–6. http://dx.doi.org/10.1624/105812410x495497.

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Ghavami, Zahra, Firouz Amani y Marzieh Hosseindust. "Study frequency of the first time C-section and its medical indications in Ardabil city, 2021". International Journal of Reproduction, Contraception, Obstetrics and Gynecology 11, n.º 4 (25 de marzo de 2022): 1075. http://dx.doi.org/10.18203/2320-1770.ijrcog20220886.

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Background: Caesarean section is a surgical intervention to prevent or treat life-threating maternal or perinatal complications but unnecessary caesarean section can put mothers and babies at serious risks. World Health Organization (WHO) recommends a caesarean section rate of about 15 percent or less. Although most countries are trying to stop the increase in caesarean section rates to achieve to the rate proposed by the WHO but in many countries, including Iran, has been much higher. The rate of C-section in Iran has increased from 19.5% in 1976 to about 48% in 2010. This figure has reached 60% in 2013. As repeat caesarean is the most common indication of c-section in Iran, the most practical way to reduce the rate of c-section will be reduction of first-time c-section. Obviously, it is necessary to know indications of first-time c-section to reduce the rate of c section in our country. For this purpose, designing a study to recognize the indications of first-time c-section seems useful. Evaluation of frequency of the first time C-section and its medical indications in Alavi Hospital, in Ardabil, 2021.Methods: In this cross-sectional study, all data of caesarean sections performed in Alavi medical center in 2021 were studied. Among the performed c-sections, all the first caesarean sections were selected and their information and indications were collected. The collected data were entered into Statistical package for social sciences (SPSS) software and analyzed by using tables, graphs, numbers and percentages to evaluate the frequency and indications of first-time c-section.Results: Among all CS performed (2075 patients), 940 mothers, underwent caesarean section for the first time, were included in the study. The frequency of caesarean section for the first time was 45.3%. The mean age of the samples was 27.9 years with a standard deviation of 6.94 years. The minimum age was 14 and the maximum age was 47 years. The number of maternal pregnancies ranged from 1 to 8.Conclusions: The most medical indications for first-time caesarean section with 587 cases (65.7%) and 156 cases (17.5%) were related to fetal distress and lack of labor progression, respectively.

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Ikram Badshah, Zakiya Rubab Mohsin y Jan Alam. "Local Perception about Caesarian Section among Post Caesarian Section Women in Pakistan". sjesr 4, n.º 2 (25 de mayo de 2021): 299–308. http://dx.doi.org/10.36902/sjesr-vol4-iss2-2021(299-308).

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Birthing is a critical moment in the life of a mother. The biomedical practice of the Caesarian Section (C-section) does not exist in a vacuum but is under the influence of the sociocultural environment. However, deciding between methods of birth and the perception about the C-section shows a gap and dearth in the present literature. This paper aims at understanding what social and cultural factors construct the perceptions and experiences of the Caesarian Section among post-C-section- women belonging to different socio-economic statuses. Moreover, it explores how these factors influence Pakistani women’s decision-making regarding childbirth methods. The paper uses a qualitative yet multi-sited locale approach, employing semi-structured interviews from 20 post-C-section women mainly from Islamabad and Rawalpindi region; 10 women belong to lower socio-economic status whereas, 10 to the upper one. Different themes from data were identified and obtained for analysis. The perception and experience of the C-section fluctuate with social, economic, and cultural factors. The influence of biomedical and intra-household politics on the decision of C-section is much conspicuous and evident. Affluent families practice C-sections under dominant power dynamics without any reasoning. For those who can afford C-section, is perceived as a luxury and artificial motherhood in the eyes of ‘’the others’’ whereas, normal birthing was true and natural motherhood. The social construction of the C-section suggests that social and cultural forces play a decisive role. C-section is only acceptable if there is an emergency otherwise natural birth is the most suitable method of childbirth. Along with advocating C-sections in critical medical conditions, an awareness campaign against C-sections is also imperative for it has severe consequences.

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Bérubé, Renald y André Gervais. "C. Section inter du domaine". Urgences, n.º 19 (1988): 39. http://dx.doi.org/10.7202/025444ar.

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Linden, Anthony. "Enhancements inActa Crystallographica Section C". Acta Crystallographica Section C Crystal Structure Communications 67, n.º 1 (24 de diciembre de 2010): e1-e2. http://dx.doi.org/10.1107/s0108270110051395.

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&NA;. "C-section news and views". Nursing 36, n.º 6 (junio de 2006): 33. http://dx.doi.org/10.1097/00152193-200606000-00028.

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Gruber, Gustavo A. "Vaginal delivery after C-section". International Journal of Gynecology & Obstetrics 70 (2000): B3. http://dx.doi.org/10.1016/s0020-7292(00)86071-3.

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Perry, Constance y Michael L. Spear. "C-Section and Referential Opacity". American Journal of Bioethics 17, n.º 1 (20 de diciembre de 2016): 98–99. http://dx.doi.org/10.1080/15265161.2016.1251642.

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Hall, S. R. "Status ofActa Crystallographica Section C". Acta Crystallographica Section A Foundations of Crystallography 52, a1 (8 de agosto de 1996): C571. http://dx.doi.org/10.1107/s0108767396076763.

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Mills, Paul A. "Section C: Pesticide Residue Content". Journal of AOAC INTERNATIONAL 73, n.º 5 (1 de septiembre de 1990): 657–60. http://dx.doi.org/10.1093/jaoac/73.5.657.

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Crosby, Edward T. "Epidural fentanyl and C-section". Canadian Journal of Anaesthesia 40, n.º 8 (agosto de 1993): 796. http://dx.doi.org/10.1007/bf03009777.

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Goyal, Neelam y Harshita Pandey. "Changing trends of indication of caesarean section". International Journal of Reproduction, Contraception, Obstetrics and Gynecology 9, n.º 7 (25 de junio de 2020): 2721. http://dx.doi.org/10.18203/2320-1770.ijrcog20202519.

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Background: Percentage of previous C-section undergoing repeat section is close to 90%-92%, morbidity associated with repeat surgery is bringing an altogether new set of challenges for the upcoming future obstetricians. Object of this study is to highlight high incidence of repeat section required and also growing new indications of C-section due to advanced availability of investigative tools.Methods: Retrospective study of 500 patients who underwent C-section and their indications from April 2019 to July 2019 in Govt Doon Medical college, Dehra Dun.Results: Out of total 500 C-sections carried from April 2019 to July 2019, patients with previous section were found to undergo a repeat C-section in 95% of the cases. Another common indication being oligohydramnios followed by cephalopelvic disproportion and failed induction.Conclusions: After assessing the results it is hereby concluded that the commonest indication of C-section in present time is having a previous C-section, which alarms us to take careful judicious decision in performing primi C-sections in order to prevent patients into entering a vicious cycle of repeat surgeries.

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Puro, Neeraj, Reena J. Kelly, Mandar Bodas y Scott Feyereisen. "Estimating the differences in Caesarean section (C-section) rates between public and privately insured mothers in Florida: A decomposition approach". PLOS ONE 17, n.º 4 (7 de abril de 2022): e0266666. http://dx.doi.org/10.1371/journal.pone.0266666.

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Background Caesarean section (C-sections) is a medically critical and often life-saving procedure for prevention of childbirth complications. However, there are reports of its overuse, especially in women covered by private insurance as compared to public insurance. This study evaluates the difference in C-Section rates among nulliparous women in Florida hospitals across insurance groups and quantifies the contribution of maternal and hospital factors in explaining the difference in rates. Methods We used Florida’s inpatient data provided by the Florida Agency for HealthCare Administration (FLAHCA) and focused on low-risk births that occurred between January 1, 2010, and September 30, 2015. A Fairlie decomposition method was performed on cross-sectional data to decompose the difference in C-Section rates between insurance groups into the proportion explained versus unexplained by the differences in observable maternal and hospital factors. Results Of the 386,612 NTSV low-risk births, 72,984 were delivered via C-Section (18.87%). Higher prevalence of C-section at maternal level was associated with diabetes, hypertension, and the expectant mother being over 35 years old. Higher prevalence of C-section at the hospital level was associated with lower occupancy rate, presence of neonatal ICU (NICU) unit and higher obstetrics care level in the hospital. Private insurance coverage in expectant mothers is associated with C-section rates that were 4.4 percentage points higher as compared to that of public insurance. Just over 33.7% of the 4.4 percentage point difference in C-section rates between the two insurance groups can be accounted for by maternal and hospital factors. Conclusions The study identifies that the prevalence of C-sections in expectant mothers covered by private insurance is higher compared to mothers covered by public insurance. Although, majority of the difference in C-Section rates across insurance groups remains unexplained (around 66.3%), the main contributor that explains the other 33.7% is advancing maternal age and socioeconomic status of the expectant mother. Further investigation to explore additional factors that explain the difference needs to be done if United States wants to target specific policies to lower overall C-Section rate.

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KALOUTI, SIMIN, SHAHROKH KAZEMPOUR OSALOO, FARIDEH ATTAR, ALFONSO SUSANNA y NÚRIA GARCIA-JACAS. "Molecular phylogeny of Cousinia sections Albidae, Stenocephalae and Cousinia (Asteraceae): Systematic implications". Phytotaxa 536, n.º 2 (24 de febrero de 2022): 109–25. http://dx.doi.org/10.11646/phytotaxa.536.2.1.

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Cousinia sect. Stenocephalae is a mainly Iranian section of the genus and the second largest section of Cousinia after C. sect. Cynaroidae. Its members are mainly distributed in Iran. Using nrDNA ITS sequences, together with morphological evidence where possible, we tested the monophyly of C. sect. Stenocephalae as well as the related C. sect. Albidae and C. sect. Cousinia. We reconstructed phylogenetic relationships within these sections by performing a Bayesian analysis on a sample of 153 species of Cousinia, of which 49 species belong to the study sections. The analysis revealed that C. sect. Stenocephalae, Albidae and Cousinia are not monophyletic, which lays stress upon the need of a deep reexamination of the sectional classification in Cousinia using a different approach.

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Genuttis, Nele, Michael Bolz y Volker Briese. "Can the Rate of C-sections Performed in a Level I Perinatal Center Be Reduced? – An Analysis of the University Gynecology Clinic Rostock, 2008 – 2014". Geburtshilfe und Frauenheilkunde 77, n.º 07 (julio de 2017): 771–79. http://dx.doi.org/10.1055/s-0043-112863.

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Abstract Introduction In Germany the rate of deliveries by cesarean section is continually increasing. Many different reasons have been put forward to explain this trend. The aim of this study was to examine how the C-section rate developed at the University Gynecology Clinic Rostock, one of the biggest maternity hospitals and level I perinatal centers in Germany, based on various maternal and neonatal parameters. The aim was also to identify potential risk factors for C-sections. Material and Method Various obstetric parameters were obtained from the birth cohort (2008 to 2014; n = 20 091) of the University Gynecology Clinic Rostock. The data was used to calculate parameter-specific C-section rates. Potential risk factors for C-section were identified by regression analysis. Results The C-section rate dropped from 26.24% to 23.57%. The rate of repeat C-sections also declined. The mean age of the pregnant women increased. Nevertheless, the frequency of cesarean sections in pregnant women aged more than 35 years declined. Rates of being overweight or obese preconception increased. C-section rates increased as BMI values preconception increased. There was a perceptible trend towards attempting the vaginal delivery of children in breech presentation and of twins. The frequency of depressed neonates after vaginal delivery and after C-section decreased. Rates for mild and advanced acidosis increased after both C-sections and vaginal deliveries. Previous C-section, older maternal age, overweight and obesity prior to conception, breech presentation and multiple pregnancies all increased the risk of cesarean sections. Conclusion This study showed that reducing the rates of C-sections without a deterioration in neonatal outcomes can be achieved even in a large maternity hospital that cares for many high-risk pregnancies.

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Dinovitzer, Aaron S. "Optimization of cold formed steel C-sections using standard Can/CSA-S136-M89". Canadian Journal of Civil Engineering 19, n.º 1 (1 de febrero de 1992): 39–50. http://dx.doi.org/10.1139/l92-004.

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The lip dimension of cold formed steel C-sections (channels) is optimized according to the provisions of CSA Standard CAN/CSA-S136-M89 "Cold formed steel structural members." The provisions in the 1989 edition of S136 are compared with those of the 1984 edition. Due to changes in design criteria, previously optimal sections are no longer optimal. The interaction of many of the elements is described and the manner in which the design standard takes the interaction into account is discussed. The lip sizes of C-sections are optimized in order to maximize flexural resistance and minimize cross-sectional area. An optimal C-section is one in which the flange is nearest to being fully effective. The optimal geometry generally has a lip-to-flange ratio of 3/8, which is restricted by a maximum lip flat width of 14 times the steel thickness. An optimal section based on the 1989 edition of S136 has a lower flexural resistance and a longer lip than an optimal C-section based on the 1984 edition of S136. Due to certain changes in the 1989 edition of S136, cold work of forming is now applicable in fewer cases than previously allowed by the 1984 edition of S136. Key words: cold formed steel, effective width, stiffener, lip, C-section, channel, optimization.

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Maria, Hafiza Amatur Rehman, Noreen Nasim, Abida Rehman, Saleha ., Ammara Batool y Hafiz Muhammad Irfan Yasin. "“Association Between Placenta Previa and Previous C-Sections”". Pakistan Journal of Medical and Health Sciences 15, n.º 7 (26 de julio de 2021): 1733–35. http://dx.doi.org/10.53350/pjmhs211571733.

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Placenta Previa is defined as a condition where the placenta covers the opening of the cervix. It can cause severe bleeding during pregnancy. Its incidence is about 0.28–2%. Objective: The main objective of this study was to find any association between placenta previa and previous C-section among patients presenting at Obstetrics & Gynaecology Department of Sheikh Zayed Hospital, Rahim Yar Khan. Methods: This descriptive cross sectional study was carried out from April 2019 to October 2019 at Department of Obstetrics and Gynaecology Unit III, Sheikh Zayed Hospital, Rahim Yar Khan. 60 patients were selected aged 18-40 years with singleton pregnancy at gestational age more than 24 weeks and having history of one or more cesarean sections in previous pregnancies were included in the study. Results: 60 patients included in this study had mean age of 32.31+ 4.0 years, the mean gestational age was 32.02+ 3.21 weeks. Out of 60 cases, 2(9.5%) placenta previa was seen in one previous C-Section, 3(8.6%) and 1(25%) placenta previa were seen in 2nd 3rd previous C-section respectively. Placenta previa less seen in 2(9.1%) cases with abortion as compare to 4(10.5%) cases with no abortion. The smoking history was seen in only 2(40%) cases having placenta previa. Conclusion: The conclusion of this study that placenta previa is not so common in pregnancies after cesarean section but its number is significantly high in cases that had previous 1 or 2 cesarean sections. Keywords: Placenta Previa, C-section, multiparity, vaginal bleeding

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McLennan, John D. "Changes in caesarean section rates and milk feeding patterns of infants between 1986 and 2013 in the Dominican Republic". Public Health Nutrition 19, n.º 15 (18 de abril de 2016): 2688–97. http://dx.doi.org/10.1017/s1368980016000847.

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AbstractObjectiveThe relationship between caesarean sections (C-sections) and infant feeding varies between different samples and indicators of feeding. The current study aimed to determine the relationship between C-sections and five indicators of infant milk feeding (breast-feeding within 1 h after delivery, at the time of the survey (current) and ever; milk-based prelacteal feeds; and current non-breast milk use) over time in a country with a rapidly rising C-section rate.DesignSecondary data analysis on cross-sectional data from Demographic and Health Surveys from six different time points between 1986 and 2013.SettingDominican Republic.SubjectsInfants under 6 months of age.ResultsOver 90 % of infants were ever breast-fed in each survey sample. However, non-breast milk use has expanded over time with a concomitant drop in predominant breast-feeding. C-section prevalence has increased over time reaching 63 % of sampled infants in the most recent survey. C-sections remained significantly related to three infant feeding practices – the child not put to the breast within 1 h after delivery, milk-based prelacteal feeds and current non-breast milk use – in multivariate models that included sociodemographic control variables. However, current non-breast milk use was no longer related to C-sections when milk-based prelacteal feeds were factored into the model.ConclusionsReducing or avoiding milk-based prelacteal feeds, particularly among those having C-sections, may improve subsequent breast-feeding patterns. Simultaneously, efforts are needed to understand and help reduce the exceptionally high C-section rate in the Dominican Republic.

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Orchard, A. E. "A revision of Cassinia (Asteraceae: Gnaphalieae) in Australia. 7. Cassinia subgenus Achromolaena". Australian Systematic Botany 30, n.º 4 (2017): 337. http://dx.doi.org/10.1071/sb17033.

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The present paper completes a revision of the endemic Australian genus Cassinia R.Br. Cassinia subgenus Achromolaena comprises two sections, namely, section Achromolaena of seven species (C. laevis, C. arcuata, C. uncata, C. tenuifolia, C. collina, C. subtropica, and C. quinquefaria), and Cassinia section Siftonia, which contains two species (C. sifton and C. theodorii). Cassinia laevis is divided into western (C. laevis subsp. laevis) and eastern (C. laevis subsp. rosmarinifolia (A.Cunn.) Orchard, comb. et stat. nov.) taxa. Examination of the type of C. arcuata showed that this name is synonymous with C. paniculata, and applies to a relatively rare taxon with whitish capitula arranged in short erect compact panicles, and found in Western Australia, the midlands of South Australia, western Victoria and (formerly) south-western New South Wales. Furthermore, it belongs to section Achromolaena. The taxon with red to brown capitula, widespread throughout south-eastern Australia, which until now has been (incorrectly) known as C. arcuata (Sifton bush) is distinct, but lacks a published name. The name Cassinia sifton Orchard, sp. nov. is here proposed for this taxon. An unfortunate outcome of this discovery is that the sectional name Cassinia section Arcuatae, with C. arcuata as type, becomes synonymous with section Achromolaena. The new name Cassinia section Siftonia is proposed to accommodate Sifton bush (C. sifton) and its narrowly endemic sister species C. theodorii. A summary of the whole genus is provided, with keys to all taxa. Three former subspecies of C. macrocephala are raised to species rank (C. petrapendula (Orchard) Orchard, C. storyi (Orchard) Orchard, C. tenuis (Orchard) Orchard), and it is suggested that C. furtiva Orchard may be conspecific with C. straminea (Benth.) Orchard.

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Eleje, George Uchenna, Emmanuel Onyebuchi Ugwu, Joseph Tochukwu Enebe, Chukwuemeka Chukwubuikem Okoro, Boniface Chukwuneme Okpala, Nnanyelugo Chima Ezeora, Emeka Ifeanyi Iloghalu et al. "Cesarean section rate and outcomes during and before the first wave of COVID-19 pandemic". SAGE Open Medicine 10 (enero de 2022): 205031212210854. http://dx.doi.org/10.1177/20503121221085453.

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Objectives: The objective of the study was to assess how the current COVID-19 pandemic has affected cesarean section (C-section) rates, indications, and peripartum outcomes. Methods: This was a retrospective cross-sectional study that compared a 3-month rates of and indications for C-sections at three tertiary health care institutions in Nigeria before (October 2019–December 2019) and during the first wave of COVID-19 pandemic (March 2020–May 2020). Primary outcomes were C-section rate and indications between the two periods. Data were analyzed using SPSS 26.0 IBM Corporation. Rates and odds ratios with 95% confidence intervals were used to quantify indications and peripartum outcomes and statistical significance was accepted when p value was <0.05. Results: The baseline characteristics of the two groups were similar. The C-section rate during the COVID-19 period was significantly less than the period prior to the pandemic (237/580, 40.0% vs 390/833, 46.8%; p = 0.027). The rates of postdatism (odds ratio = 1.47, 95% confidence interval = 1.05–2.05, p = 0.022), fetal distress (odds ratio = 3.06, 95% confidence interval = 1.55–6.06, p = 0.017), emergency C-section (odds ratio = 1.43, 95% confidence interval = 1.01–2.05, p = 0.042), and anemia (odds ratio = 1.84, 95% confidence interval = 1.12–3.03, p = 0.016) were significantly higher during the pandemic than prepandemic. Conclusion: The overall C-section rate during the first wave of COVID-19 was significantly lower than the prepandemic period. There were higher rates of postdatism, fetal distress, emergency C-section, and postpartum anemia. Further studies on this changing C-section trend during the pandemic are needed.

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Majid, Farzana, Robina Ali y Shazia Shaheen. "PLACENTA ACCRETA IN PLACENTA PREVIA". Professional Medical Journal 21, n.º 05 (13 de diciembre de 2018): 892–96. http://dx.doi.org/10.29309/tpmj/2014.21.05.2493.

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Objective: To calculate the frequency of placenta accreta in placenta previawith or without scarred uterus and compare clinico demographic features of cases with orwithout placenta accreta. Study Design: Cross sectional study. Place and Duration of Study:Department of Obst & Gynae Allied Hospital, Faisalabad from 1st June 2007 to 31st May 2008.Methodology: 200 patients of placenta previa, 100 with history of previous cesarean sectionand 100 without history of previous C-section fulfilling inclusion criteria were taken. They wereevaluated by history, examination and ultrasound noting placental location and type. Placentaaccreta was diagnosed during delivery. Results: Out of 200 patients, frequency of placentaaccreta was significantly increased with history of previous C-section. It was 20% in patientswith previous C-sections and 6% in patients without previous C-sections. Conclusions: Ourdata suggests that frequency of placenta accreta is greater in patients with previous C-sectionand its frequency increases with increasing number of C-sections especially with anterior andcentral placenta previa.

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Shirong, Li y Yanming Wang. "On C-section and C-index of finite groups". Journal of Pure and Applied Algebra 151, n.º 3 (agosto de 2000): 309–19. http://dx.doi.org/10.1016/s0022-4049(99)00060-2.

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Grisbrook, Marie-Andrée, Deborah Dewey, Colleen Cuthbert, Sheila McDonald, Henry Ntanda, Gerald F. Giesbrecht y Nicole Letourneau. "Associations among Caesarean Section Birth, Post-Traumatic Stress, and Postpartum Depression Symptoms". International Journal of Environmental Research and Public Health 19, n.º 8 (18 de abril de 2022): 4900. http://dx.doi.org/10.3390/ijerph19084900.

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Caesarean section (C-section) deliveries account for nearly 30% of births annually with emergency C-sections accounting for 7–9% of all births. Studies have linked C-sections to postpartum depression (PPD). PPD is linked to reduced quality of parent-child interaction, and adverse effects on maternal and child health. New mothers’ perceptions of more negative childbirth experiences, such as unplanned/emergency C-sections, are linked to post-traumatic stress disorder (PTSD), which in turn is related to PPD. Our objectives were to determine: (1) the association between C-section type (unplanned/emergency vs. planned) and PPD symptoms, and (2) if postnatal PTSD symptoms mediate this association. Employing secondary analysis of prospectively collected data from 354 mother-child dyads between 2009 and 2013 from the Alberta Pregnancy Outcomes and Nutrition (APrON) study, conditional process modeling was employed. The Edinburgh Postnatal Depression Scale (EPDS) and the Psychiatric Diagnostic Screening Questionnaire (PDSQ) were administered at three months postpartum, to assess for postpartum depressive and post-traumatic stress symptoms. The direct effect of emergency C-section on PPD symptoms was non-significant in adjusted and non-adjusted models; however, the indirect effect of emergency C-section on PPD symptoms with PTSD symptoms as a mediator was significant after controlling for prenatal depression symptoms, social support, and SES (β = 0.17 (SE = 0.11), 95% CI [0.03, 0.42]). This suggests that mothers who experienced an emergency or unplanned C-section had increased PTSD scores of nearly half a point (0.47) compared to mothers who underwent a planned C-section, even after adjustment. Overall, emergency C-section was indirectly associated with PPD symptoms, through PTSD symptoms. Findings suggest that PTSD symptoms may be a mechanism through which emergency C-sections are associated with the development of PPD symptoms.

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Govardhanam, V., P. Tandon y V. huang. "A181 CAUSES FOR C-SECTION IN IBD PATIENTS: A RETROSPECTIVE REVIEW". Journal of the Canadian Association of Gastroenterology 4, Supplement_1 (1 de marzo de 2021): 195–96. http://dx.doi.org/10.1093/jcag/gwab002.179.

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Abstract Background Inflammatory bowel disease (IBD) is a group of chronic inflammatory conditions including ulcerative colitis (UC), Crohn’s disease (CD) or IBD-unclassified. Current expert guidelines recommend only two IBD-related reasons to consider C-section: perianal CD and ileal pouch-anal anastomosis (IPAA) history. However, the incidence of C section among IBD patients is higher than the non-IBD patients. There is a sparsity of literature on what other factors influence the decision to perform caesarean delivery among IBD patients. Aims To investigate IBD-related and non-IBD related reasons leading to C-section in IBD patients. Methods A retrospective chart review was performed on women with IBD, >18 years of age and/or older, who delivered at Mount Sinai Hospital, Toronto 2016–2019. OB records and OR records were reviewed to obtain information specific to C-section. Results A total of 119 deliveries were reviewed. 47 out of the 119 had C-section delivery. 42.9% (N=21) of C-section was in UC patients and 57.1% (N=28) was in CD patients. Maternal request comprised 2.1% (N=1) and arrest of cervical dilation 6.4% (N=3). 20.4% (N=10) patients failed vaginal delivery. Only 8.7% of C-section deliveries were Primiparous. 42.9% (N=12) of patients from the CD category that underwent C-section had fistulizing CD. 46.4% (N=13) of patients with CD had stricturing CD and underwent C-Section. 63.8% (N=30) of the patients that had C-section had planned C-Section. 26.6% (N=8) of the planned C-section was due to a history of the perianal disease and only 13.3% (N=4) had an active perianal disease. Other causes for planned C-section included J-pouch (10%, N=3) and active UC (2.1%, N=1). As per expert recommendation, we would anticipate 14% of patients to have C-section due to IBD related reasons however we found that 30% of the patients had C-section due to IBD related reasons. Conclusions Based on the preliminary data from our retrospective study we find that 30% of the C-sections were due to IBD related reasons and 70% C-sections were from non-IBD related reasons. Funding Agencies None

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Stallard, Timothy C. y Bo Burns. "Emergency delivery and perimortem C-section". Emergency Medicine Clinics of North America 21, n.º 3 (agosto de 2003): 679–93. http://dx.doi.org/10.1016/s0733-8627(03)00042-7.

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31

Ferguson, George. "Further developments forActa Crystallographica Section C". Acta Crystallographica Section C Crystal Structure Communications 61, n.º 1 (30 de diciembre de 2004): e1-e1. http://dx.doi.org/10.1107/s0108270104033621.

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32

Ferguson, George. "New developments forActa Crystallographica Section C". Acta Crystallographica Section C Crystal Structure Communications 56, n.º 1 (15 de enero de 2000): 1. http://dx.doi.org/10.1107/s0108270199016418.

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33

Ferguson, George. "Further developments forActa Crystallographica Section C". Acta Crystallographica Section C Crystal Structure Communications 59, n.º 1 (15 de enero de 2003): e1-e1. http://dx.doi.org/10.1107/s0108270102022606.

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34

Ferguson, George. "Further developments forActa Crystallographica Section C". Acta Crystallographica Section C Crystal Structure Communications 60, n.º 1 (24 de diciembre de 2003): e1-e1. http://dx.doi.org/10.1107/s0108270103028592.

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35

Jobe, Alan H. "Increased pneumothorax with elective C-section". Journal of Pediatrics 150, n.º 3 (marzo de 2007): A2. http://dx.doi.org/10.1016/j.jpeds.2007.01.020.

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36

Ferguson, George. "Further developments forActa Crystallographica Section C". Acta Crystallographica Section C Crystal Structure Communications 64, n.º 1 (22 de diciembre de 2007): e1-e1. http://dx.doi.org/10.1107/s0108270107067352.

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37

Faiola, Richard L. "Nonclinical Factors and Repeat C-Section". JAMA 265, n.º 18 (8 de mayo de 1991): 2338. http://dx.doi.org/10.1001/jama.1991.03460180044024.

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38

Glesner, Gretchen. "Nonclinical Factors and Repeat C-Section". JAMA 265, n.º 18 (8 de mayo de 1991): 2338. http://dx.doi.org/10.1001/jama.1991.03460180044025.

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39

Ferguson, George. "New developments forActa Crystallographica Section C". Acta Crystallographica Section C Crystal Structure Communications 57, n.º 1 (15 de enero de 2001): 1. http://dx.doi.org/10.1107/s0108270100020424.

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40

Ferguson, George. "Further developments forActa Crystallographica Section C". Acta Crystallographica Section C Crystal Structure Communications 58, n.º 1 (22 de diciembre de 2001): e1-e1. http://dx.doi.org/10.1107/s0108270101021400.

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41

Oliveira, Susana, Catarina Cordeiro, Ana Sousa, Nuno Nogueira Martins y Francisco Nogueira Martins. "Repeat c-section: Data from 2016". European Journal of Obstetrics & Gynecology and Reproductive Biology 234 (marzo de 2019): e6. http://dx.doi.org/10.1016/j.ejogrb.2018.08.161.

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Ray, Amita, Arun Gopi y Sujoy Ray. "Comparing WHO C-Model generated C-Section probabilities to actual delivery outcomes in a tertiary care centre". International Journal of Reproduction, Contraception, Obstetrics and Gynecology 7, n.º 1 (25 de diciembre de 2017): 229. http://dx.doi.org/10.18203/2320-1770.ijrcog20175851.

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Background: A model which takes into account several relevant factors and gives the probability of C-Section in a woman would have the advantage of preparing for such an event. The identification of women at high risk of C-Section (>50% risk) would provide the opportunity for understanding risks involved in pursuing a vaginal delivery whereas if the risk of C-Section was less (<50%) it would prove useful in counselling for a vaginal delivery. We used the WHO C-Model with the aim to find the predictability of this model in our facility and the overuse of C-section in the 10 Robson’s Groups.Methods: A retrospective observational study in which all women who gave birth at our hospital from June 2016 to May 2017 were included and C-Section probability was calculated using the C-Model. Comparison with the actual mode of delivery was done to find the sensitivity, specificity, positive and negative predictive value of the model and the overuse of C-Section in the Robson’s Groups.Results: Out of the 314 C-Sections done only 45 women had a >50% probability, giving the model a sensitivity of 14.33%, specificity of 98.8%, positive predictive value of 90% and negative predictive value of 60.56%. Robson’s Groups 5 and 3 demonstrated the greatest overuse of C-Sections.Conclusions: The WHO Model when applied to this centre showed a high positive predictive value for C-Sections but the negative predictive value or the ability to correctly predict a vaginal delivery was much less.

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43

Ashfaq, Tehreem, Khuram Ashfaq, Muhammad Anees-ur Rehman, Nasir Ali y Muhammad Tariq. "A cross-sectional study to assess the frequency and determinants of cesarean section in three cities of Punjab." Pakistan BioMedical Journal 5, n.º 1 (31 de enero de 2022): 300–303. http://dx.doi.org/10.54393/pbmj.v5i1.299.

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Abstract: Objective: The increasing frequency of cesarean section (CS) is a major public health issue, and it is on the rise in Pakistan. The study aimed to investigate the frequency of caesarean section and assess the determinants of increasing frequency in three cities of Punjab. Study design: A hospital-based cross-sectional study was conducted in tertiary hospitals of Faisalabad, Chichawatni and Multan. Period: January 2020 to August 2020. Material and Methods: Data collection was done by using a self-developed study questionnaire. Results: The study's findings showed that at the time of first delivery, 52% of participants were at the age of 21 to 25 years. About 33% of participants had C-sections due to complications, while 14% preferred C-section without any complication to normal delivery. Relatively lower rates were found among less educated, poor families and in rural areas. A higher rate was observed in well-educated women, women from rich families and the urban regions. The majority of females are found to be totally dependent on their decision of C-section on their gynaecologist. Conclusion: Overall increasing trend of C- section in selected cities has been observed. Data of the study suggests the need for proper awareness to couples about preoperative and postoperative cares. This will help to reduce both infant mortality rates and maternal mortality rates in Punjab. Key Words: Frequency of C-section: Pregnancy complications: C-section: Gestational diabetes

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Birjandi, Masoumeh y Dimitrie Nanu. "Frequency of Cesarean section (C-section) surgery in Romania and worldwide". Romanian Medical Journal 66, n.º 2 (30 de junio de 2019): 118–21. http://dx.doi.org/10.37897/rmj.2019.2.5.

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De Pena, G. E. "M510 COMPARATIVE STUDY, LASER ASSISTED CAESAREAN SECTION VERSUS CONVENTIONAL C-SECTION". International Journal of Gynecology & Obstetrics 119 (octubre de 2012): S696. http://dx.doi.org/10.1016/s0020-7292(12)61698-1.

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46

De Peña, G. "O209 Comparative study, laser assisted caesarean section versus conventional c-section". International Journal of Gynecology & Obstetrics 107 (octubre de 2009): S152—S153. http://dx.doi.org/10.1016/s0020-7292(09)60581-6.

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47

Tanvir, Seema. "Findings Related to C-Section Rates: Using Cesarean Indication Classification System". International Journal of Nursing & Midwifery Research 05, n.º 02 (2 de agosto de 2018): 38–42. http://dx.doi.org/10.24321/2455.9318.201820.

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48

Malla, Rosy Vaidya, Chanda Hamal, Bibhusan Neupane y Ratna Khatri. "Analysis of Cesarean Section Using Robson’s 10-Group Classification at a Tertiary Level Hospital in Nepal". Medical Journal of Shree Birendra Hospital 17, n.º 2 (25 de julio de 2018): 4–11. http://dx.doi.org/10.3126/mjsbh.v17i2.20290.

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Introduction: Obstetric Services commenced at the teaching institute where this study was conducted from Aug 2012. Hence, a review of the data of C-section in this hospital is needed for standardisation of the obstetric services in terms of the rate of C-section, its various clinical indications and maternal and fetal outcomes.Methods: This is a retrospective study carried out over a period of 5 years from Aug 13, 2012 to Aug 11, 2017. All hospital deliveries conducted during the study period were included in this study and the patients’ details obtained from hospital records. All data obtained was recorded in master charts and analysed using SPSS version 23. The caesarean rate, its indications were calculated and categorised into groups according to Robson’s 10-group classification. Results: A total number of 4892 deliveries were conducted over this 5-year study period. C-section was performed in 1104 patients, giving a C-section rate of 22.57%. The most common indications were previous C-section (25.4%), fetal distress (14.3%) and breech presentation (10.3%). Robson’s Group 1 was the highest contributors to the overall CS rate, contributing 28% of all C-sections, followed by Group 5 (26.8%) and Group 3 (15.5%).Conclusions: Nulliparous and multiparous women in term pregnancy in labor and women with previous C-section contribute to more than 70% of overall C-sections at our centre. Hence, close monitoring of these groups of patients, increasing the use of instrumental delivery and practice of vaginal birth after C-section can significantly reduce the C-section rate in our centre.

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49

Ray, Amita y Sumy Jose. "Analysis of Caesarean-Section rates according to Robson's ten group classification system and evaluating the indications within the groups". International Journal of Reproduction, Contraception, Obstetrics and Gynecology 6, n.º 2 (31 de enero de 2017): 447. http://dx.doi.org/10.18203/2320-1770.ijrcog20170066.

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Background: With Caesarean sections on the rise WHO proposes that health care facilities use the Robson's 10 group classification system to audit their C-sections rates. This classification would help understand the internal structure of the CS rates at individual health facilities identify key population groups, indications in each group and formulate strategies to reduce these rates.Methods: This was a cross sectional study for a period of 24 months at a tertiary care hospital in a tribal area of Kerala South India. Women who delivered during this period were included and classified into 10 Robson's classes and percentages were calculated for the overall rate, the representation of groups, contribution of groups and Caesarean percentage in each group.Results: Highest contribution was by Group 5 and Group 2. Together these two groups contributed to 38% of the total Caesareans. Followed by Group 8 and 10. All four added contributed to 63% of the section rate The least contribution was by Group 3. Groups 6, 7 and 9 by themselves did not contribute much but within their groups had a 100% C-Section rate.Conclusions: The contribution of the various Robson's Group to the absolute C-Section rates needs to be looked into. Reducing primary section rates, adequate counselling and encouraging for VBAC, changing the norms for dystocia and non-reassuring fetal status, training and encouraging obstetricians to perform versions when not contraindicated could reduce the contribution of Robson's groups towards the absolute C-Section rates.

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DUNAI, LÁSZLÓ y GÁBOR JAKAB. "STABILITY BEHAVIOR AND DESIGN OF NONCONVENTIONAL COLD-FORMED STEEL STRUCTURES — RESEARCH REVIEW". International Journal of Structural Stability and Dynamics 11, n.º 05 (octubre de 2011): 903–27. http://dx.doi.org/10.1142/s0219455411004397.

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In the paper, the methodology and main results of two research projects on nonconventional cold-formed thin-walled steel structures are presented. Laboratory tests, standard-based calculations, numerical models, and the connection of these to design method development are summarized. The implementation of the methodology is presented on two areas in detail: CompressionC-section members and a truss made of C-section members. The studied CompressionC-section members are of various cross-sectional arrangement and end- and lateral-supporting conditions. They consist of single or double asymmetric C-section members; in the latter case, either a back-to-back arrangement is applied or two sections are stuck in each other, forming a box-like closed section. The applied load is in each case compression with different eccentricities. Test arrangement, program, and results are presented; measured load-bearing capacities are compared to resistances calculated according to Eurocode 3, Part 1–3 where applicable, design rules for the cases not covered by the code are proposed. Trusses made of C-sections from the same product line are analyzed in the light of full-scale laboratory tests. EC3-based design formulae are derived for the failure modes obtained in the tests either by modifying existing application rules or by deriving new ones from these. Advanced numerical models of both structures are presented with focus on modeling imperfections, bolted connections, and joint rigidities.

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