Cesarean section in the People’s Republic of China: current perspectives

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Abstract

Objective

To review the current knowledge on the prevalence, reasons, and consequences of cesarean sections in the People’s Republic of China.

Methods

Peer-reviewed articles were systematically searched on PubMed. The following Chinese databases were comprehensively searched: the China National Knowledge Infrastructure, Wanfang, and the VIP information. The databases were searched from inception to September 1, 2013. Two reviewers independently screened the titles and abstracts for eligibility. Full texts of eligible papers were reviewed, where relevant references were hand-searched and reviewed.

Findings

Sixty articles were included from PubMed, 17 articles were intentionally picked out from Chinese journals, and five additional articles were added, for a total of 82 articles for the analysis. With a current national rate near 40%, the literature consistently reported a rapid rise of cesarean sections in the People’s Republic of China in the past decades, irrespective of where people lived or their socioeconomic standing. Nonclinical factors were considered as the main drivers fueling the rise of cesareans in the People’s Republic of China. There was a lively debate on whether women’s preferences or providers’ distorted financial incentives affected the rise in cesarean sections. However, recent evidence suggests that it might be the People’s Republic of China’s health development approach – focusing on specialized care and marginalizing primary care – that is playing a role. Although 30 articles were identified studying the consequences of cesareans, the methodologies are in general weak and the themes are out of focus.

Conclusion

The overuse of cesareans is rising alarmingly in the People’s Republic of China and has become a real public health problem. No consensus has been made on the leverage factors that drive the cesarean epidemic, particularly for those nonclinical factors. The more macro level structural factors may have played a part, though further research is warranted to understand the mechanisms. Knowledge of the consequences of cesareans, particularly for women, is limited in the People’s Republic of China, leaving a substantial literature gap.

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Most cited references 122

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Maternal and neonatal individual risks and benefits associated with caesarean delivery: multicentre prospective study.

Jose Villar, Guillermo Carroli, Nelly Zavaleta … (2007)

To assess the risks and benefits associated with caesarean delivery compared with vaginal delivery. Prospective cohort study within the 2005 WHO global survey on maternal and perinatal health. 410 health facilities in 24 areas in eight randomly selected Latin American countries; 123 were randomly selected and 120 participated and provided data 106,546 deliveries reported during the three month study period, with data available for 97,095 (91% coverage). Maternal, fetal, and neonatal morbidity and mortality associated with intrapartum or elective caesarean delivery, adjusted for clinical, demographic, pregnancy, and institutional characteristics. Women undergoing caesarean delivery had an increased risk of severe maternal morbidity compared with women undergoing vaginal delivery (odds ratio 2.0 (95% confidence interval 1.6 to 2.5) for intrapartum caesarean and 2.3 (1.7 to 3.1) for elective caesarean). The risk of antibiotic treatment after delivery for women having either type of caesarean was five times that of women having vaginal deliveries. With cephalic presentation, there was a trend towards a reduced odds ratio for fetal death with elective caesarean, after adjustment for possible confounding variables and gestational age (0.7, 0.4 to 1.0). With breech presentation, caesarean delivery had a large protective effect for fetal death. With cephalic presentation, however, independent of possible confounding variables and gestational age, intrapartum and elective caesarean increased the risk for a stay of seven or more days in neonatal intensive care (2.1 (1.8 to 2.6) and 1.9 (1.6 to 2.3), respectively) and the risk of neonatal mortality up to hospital discharge (1.7 (1.3 to 2.2) and 1.9 (1.5 to 2.6), respectively), which remained higher even after exclusion of all caesarean deliveries for fetal distress. Such increased risk was not seen for breech presentation. Lack of labour was a risk factor for a stay of seven or more days in neonatal intensive care and neonatal mortality up to hospital discharge for babies delivered by elective caesarean delivery, but rupturing of membranes may be protective. Caesarean delivery independently reduces overall risk in breech presentations and risk of intrapartum fetal death in cephalic presentations but increases the risk of severe maternal and neonatal morbidity and mortality in cephalic presentations.

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Cesarean section rates and maternal and neonatal mortality in low-, medium-, and high-income countries: an ecological study.

Fernando Althabe, Claudio Sosa, José M Belizán … (2006)

Cesarean section rates show a wide variation among countries in the world, ranging from 0.4 to 40 percent, and a continuous rise in the trend has been observed in the past 30 years. Our aim was to explore the association of cesarean section rates of different countries with their maternal and neonatal mortality and to test the hypothesis that in low-income countries, increasing cesarean section rates were associated with reductions in both outcomes, whereas in high-income countries, such association did not exist. We performed a cross-sectional multigroup ecological study using data from 119 countries from 1991 to 2003. These countries were classified into 3 categories: low-income (59 countries), medium-income (31 countries), and high-income (29 countries) countries according to an international classification. We assessed the ecological association between national cesarean section rates and maternal and neonatal mortality by fitting multiple linear regression models. Median cesarean section rates were lower in low-income than in medium- and high-income countries. Seventy-six percent of the low-income countries, 16 percent of the medium-income countries, and 3 percent of high-income countries showed cesarean section rates between 0 and 10 percent. Three percent of low-income countries, 36 percent of medium-income countries, and 31 percent of high-income countries showed cesarean section rates above 20 percent. In low-income countries, a negative and statistically significant linear correlation was observed between cesarean section rates and neonatal mortality and between cesarean section rates and maternal mortality. No association was observed in medium- and high-income countries for either neonatal mortality or maternal mortality. No association between cesarean section rates and maternal or neonatal mortality was shown in medium- and high-income countries. Thus, it becomes relevant for future good-quality research to assess the effect of the high figures of cesarean section rates on maternal and neonatal morbidity. For low-income countries, and on confirmation by further research, making cesarean section available for high-risk pregnancies could contribute to improve maternal and neonatal outcomes, whereas a system of care with cesarean section rates below 10 percent would be unlikely to cover their needs.

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Classifications for Cesarean Section: A Systematic Review

Maria Torloni, Ana Betran, João Souza … (2011)

Background Rising cesarean section (CS) rates are a major public health concern and cause worldwide debates. To propose and implement effective measures to reduce or increase CS rates where necessary requires an appropriate classification. Despite several existing CS classifications, there has not yet been a systematic review of these. This study aimed to 1) identify the main CS classifications used worldwide, 2) analyze advantages and deficiencies of each system. Methods and Findings Three electronic databases were searched for classifications published 1968–2008. Two reviewers independently assessed classifications using a form created based on items rated as important by international experts. Seven domains (ease, clarity, mutually exclusive categories, totally inclusive classification, prospective identification of categories, reproducibility, implementability) were assessed and graded. Classifications were tested in 12 hypothetical clinical case-scenarios. From a total of 2948 citations, 60 were selected for full-text evaluation and 27 classifications identified. Indications classifications present important limitations and their overall score ranged from 2–9 (maximum grade = 14). Degree of urgency classifications also had several drawbacks (overall scores 6–9). Woman-based classifications performed best (scores 5–14). Other types of classifications require data not routinely collected and may not be relevant in all settings (scores 3–8). Conclusions This review and critical appraisal of CS classifications is a methodologically sound contribution to establish the basis for the appropriate monitoring and rational use of CS. Results suggest that women-based classifications in general, and Robson's classification, in particular, would be in the best position to fulfill current international and local needs and that efforts to develop an internationally applicable CS classification would be most appropriately placed in building upon this classification. The use of a single CS classification will facilitate auditing, analyzing and comparing CS rates across different settings and help to create and implement effective strategies specifically targeted to optimize CS rates where necessary.

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Author and article information

Journal

Journal ID (nlm-ta): Int J Womens Health

Journal ID (iso-abbrev): Int J Womens Health

Journal ID (publisher-id): International Journal of Women’s Health

Title: International Journal of Women's Health

Publisher: Dove Medical Press

ISSN (Electronic): 1179-1411

Publication date Collection: 2014

Publication date (Electronic): 09 January 2014

Volume: 6

Pages: 59-74

Affiliations

[1 ]Department of Health Policy and Administration, School of Public Health, Peking University, Beijing, People’s Republic of China

[2 ]Department of Women, Children and Adolescent Health, School of Public Health, Peking University, Beijing, People’s Republic of China

[3 ]Department of Infectious Disease Epidemiology, London School of Hygiene and Tropical Medicine, London, England

Author notes

Correspondence: Xing Lin Feng, Department of Health Policy and Administration, School of Public Health, Peking University, 38 Xueyuan Rd, Beijing, People’s Republic of China 100191, Tel +86 10 8280 5394, Email fxl@ 123456bjmu.edu.cn

Article

Publisher ID: ijwh-6-059

DOI: 10.2147/IJWH.S41410

PMC ID: 3891566

PubMed ID: 24470775

SO-VID: 181dcc0d-81f0-49da-8676-1f83577ff30c

License:

The full terms of the License are available at http://creativecommons.org/licenses/by-nc/3.0/. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed.

Cesarean section in the People’s Republic of China: current perspectives

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Chinese Journal of General Practice

Most cited references 122

Maternal and neonatal individual risks and benefits associated with caesarean delivery: multicentre prospective study.

Cesarean section rates and maternal and neonatal mortality in low-, medium-, and high-income countries: an ecological study.

Classifications for Cesarean Section: A Systematic Review

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