{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,6]],"date-time":"2026-06-06T07:27:25Z","timestamp":1780730845823,"version":"3.54.1"},"reference-count":25,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2017,6,8]],"date-time":"2017-06-08T00:00:00Z","timestamp":1496880000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"Medical Science and Technology Development Foundation, Nanjing Department of Health","award":["ZKX13026"],"award-info":[{"award-number":["ZKX13026"]}]},{"name":"National Key Clinical Department of the Ministry of Health","award":["2011271"],"award-info":[{"award-number":["2011271"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Intl J Gynecology &amp; Obste"],"published-print":{"date-parts":[[2017,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>To analyze the initial effect following the relaxation of China's population control policy on the cesarean delivery (<jats:styled-content style=\"fixed-case\">CD<\/jats:styled-content>) rate using the 10\u2010Group Classification System (<jats:styled-content style=\"fixed-case\">TGCS<\/jats:styled-content>).<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A retrospective study included all deliveries at a center in Nanjing, China, during 2014\u20132015. The deliveries were classified using the <jats:styled-content style=\"fixed-case\">TGCS<\/jats:styled-content>. The obstetric populations and the <jats:styled-content style=\"fixed-case\">CD<\/jats:styled-content> rates in each group were compared between 2014 and 2015.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Overall, 11\u00a0006 deliveries were analyzed. The overall <jats:styled-content style=\"fixed-case\">CD<\/jats:styled-content> rate increased from 28.3% (1623\/5737) in 2014 to 33.8% (1782\/5269) in 2015 (<jats:italic>P&lt;<\/jats:italic>0.001). The largest contributor to the overall <jats:styled-content style=\"fixed-case\">CD<\/jats:styled-content> rate\u2014accounting for approximately one\u2010third of all <jats:styled-content style=\"fixed-case\">CD<\/jats:styled-content>s\u2014were nulliparous women with a single cephalic term pregnancy and induced labor or prelabor <jats:styled-content style=\"fixed-case\">CD<\/jats:styled-content> (group 2); the <jats:styled-content style=\"fixed-case\">CD<\/jats:styled-content> rate in this group increased from 27.2% to 31.4%. Moreover, the proportion of women with a single cephalic term pregnancy with previous <jats:styled-content style=\"fixed-case\">CD<\/jats:styled-content> (group 5) steeply increased from 6.4% to 10.4% of all deliveries; the <jats:styled-content style=\"fixed-case\">CD<\/jats:styled-content> rate in this group during 2014\u20132015 was 76.6%.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>With China ending its one\u2010child policy, the characteristics of the obstetric population changed. Women with a single cephalic term pregnancy with previous <jats:styled-content style=\"fixed-case\">CD<\/jats:styled-content> were the largest contributor to the <jats:styled-content style=\"fixed-case\">CD<\/jats:styled-content> rate increase.<\/jats:p><\/jats:sec>","DOI":"10.1002\/ijgo.12210","type":"journal-article","created":{"date-parts":[[2017,5,14]],"date-time":"2017-05-14T10:16:16Z","timestamp":1494756976000},"page":"158-163","source":"Crossref","is-referenced-by-count":6,"title":["Use of the 10\u2010Group Classification System to analyze how the population control policy change in China has affected cesarean delivery"],"prefix":"10.1002","volume":"138","author":[{"given":"Yihui","family":"Zhang","sequence":"first","affiliation":[{"name":"Department of Obstetrics and Gynecology Nanjing Drum Tower Hospital Nanjing University Medical School  Nanjing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ning","family":"Gu","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Nanjing Drum Tower Hospital Nanjing University Medical School  Nanjing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhiqun","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Nanjing Drum Tower Hospital Nanjing University Medical School  Nanjing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mingming","family":"Zheng","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Nanjing Drum Tower Hospital Nanjing University Medical School  Nanjing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yali","family":"Hu","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Nanjing Drum Tower Hospital Nanjing University Medical School  Nanjing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yimin","family":"Dai","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Nanjing Drum Tower Hospital Nanjing University Medical School  Nanjing China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2017,6,8]]},"reference":[{"key":"e_1_2_8_2_1","first-page":"449","article-title":"Reliability of data on caesarean sections in developing countries","volume":"83","author":"Stanton CK","year":"2005","journal-title":"Bull World Health Organ"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2012.02.026"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(09)61870-5"},{"key":"e_1_2_8_5_1","unstructured":"National Health and Family Planning Commission of the People's Republic of China.The National Health and Family planning statistics[in Chinese]. 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