{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,22]],"date-time":"2026-09-22T20:40:45Z","timestamp":1790109645894,"version":"4.0.1"},"reference-count":43,"publisher":"Public Library of Science (PLoS)","issue":"12","license":[{"start":{"date-parts":[[2016,12,12]],"date-time":"2016-12-12T00:00:00Z","timestamp":1481500800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100006641","name":"UNICEF","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100006641","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100001547","name":"China Medical Board","doi-asserted-by":"publisher","award":["11-065"],"award-info":[{"award-number":["11-065"]}],"id":[{"id":"10.13039\/100001547","id-type":"DOI","asserted-by":"publisher"}]},{"name":"National \u201cTwelfth Five-Year\u201d Plan for Science and Technology Support","award":["2014BAI06B01"],"award-info":[{"award-number":["2014BAI06B01"]}]}],"content-domain":{"domain":["www.plosone.org"],"crossmark-restriction":false},"short-container-title":["PLoS ONE"],"DOI":"10.1371\/journal.pone.0167575","type":"journal-article","created":{"date-parts":[[2016,12,12]],"date-time":"2016-12-12T18:28:49Z","timestamp":1481567329000},"page":"e0167575","update-policy":"https:\/\/doi.org\/10.1371\/journal.pone.corrections_policy","source":"Crossref","is-referenced-by-count":21,"title":["The Sex Ratio at Birth for 5,338,853 Deliveries in China from 2012 to 2015: A Facility-Based Study"],"prefix":"10.1371","volume":"11","author":[{"given":"Yan","family":"Huang","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wen","family":"Tang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yi","family":"Mu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaohong","family":"Li","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zheng","family":"Liu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yanping","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mingrong","family":"Li","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qi","family":"Li","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Li","family":"Dai","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Juan","family":"Liang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jun","family":"Zhu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"340","published-online":{"date-parts":[[2016,12,12]]},"reference":[{"issue":"6","key":"ref1","doi-asserted-by":"crossref","first-page":"559","DOI":"10.1007\/s00114-013-1052-3","article-title":"Cognitive ability correlates positively with son birth and predicts cross-cultural variation of the offspring sex ratio","volume":"100","author":"SD Madhukar","year":"2013","journal-title":"Naturwissenschaften"},{"key":"ref2","doi-asserted-by":"crossref","first-page":"7","DOI":"10.1093\/bmb\/ldr015","article-title":"Non-medical sex-selective abortion in China: ethical and public policy issues in the context of 40 million missing females","volume":"98","author":"J Nie","year":"2011","journal-title":"British Medical Bulletin"},{"issue":"3","key":"ref3","doi-asserted-by":"crossref","first-page":"583","DOI":"10.1093\/humrep\/deh662","article-title":"The epigenetic environment: secondary sex ratio depends on differential survival in embryogenesis","volume":"20","author":"CE Boklage","year":"2005","journal-title":"Hum Reprod"},{"issue":"2","key":"ref4","doi-asserted-by":"crossref","first-page":"283","DOI":"10.2307\/2938438","article-title":"Causes and implications of the recent increase in the reported sex ratio at birth in China","volume":"19","author":"Y Zeng","year":"1993","journal-title":"Population and Development Review"},{"key":"ref5","first-page":"5105","article-title":"On the Trail of \u2018Missing\u2019 Indian Females (I and II)","volume":"51 & 52","author":"PNM Bhat","year":"2002","journal-title":"Ec and Pol Weekly"},{"key":"ref6","doi-asserted-by":"crossref","first-page":"757","DOI":"10.1017\/S0021932010000398","article-title":"Maternal socioeconomic and Demographic Factors associated with the Sex Ratio at Birth in Vietnam","volume":"42","author":"BN Pham","year":"2010","journal-title":"Journal of Biosocial Science"},{"issue":"2","key":"ref7","doi-asserted-by":"crossref","first-page":"e4624","DOI":"10.1371\/journal.pone.0004624","article-title":"Recent Increase in Sex Ratio at Birth in Viet Nam","volume":"4","author":"CZ Guilmoto","year":"2009","journal-title":"PLOS ONE"},{"key":"ref8","doi-asserted-by":"crossref","first-page":"59","DOI":"10.2307\/2137413","article-title":"Consequences of Son Preferences in a Low-Fertility Society: Imbalance of the Sex Ratio at Birth in Korea","volume":"1","author":"CB Park","year":"1995","journal-title":"Pop and Dev Review"},{"issue":"5","key":"ref9","first-page":"95","article-title":"Chinese Sex Ratio at Birth: Review of Thirty-year Research","volume":"19","author":"QR Sun","year":"2013","journal-title":"Population&Development"},{"key":"ref10","unstructured":"Health and Family Planning Commission of the People&apos;s Republic of China. China\u2019s SRB Kept Going Down for Six Consecutive Years (in Chinese). Available:<ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"http:\/\/www.nhfpc.gov.cn\/jtfzs\/s3578\/201502\/ab0ea18da9c34d7789b5957464da51c3.shtml\" xlink:type=\"simple\">http:\/\/www.nhfpc.gov.cn\/jtfzs\/s3578\/201502\/ab0ea18da9c34d7789b5957464da51c3.shtml<\/ext-link>. (accessed 03 Feb 2015)."},{"key":"ref11","unstructured":"The Central People\u2019s Government of the People\u2019s Republic of China. The National Population Census Regulation (in Chinese).Available: <ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"http:\/\/www.gov.cn\/flfg\/2010-05\/28\/content_1615601.htm\" xlink:type=\"simple\">http:\/\/www.gov.cn\/flfg\/2010-05\/28\/content_1615601.htm<\/ext-link>. (accessed May, 28, 2010)."},{"issue":"5","key":"ref12","first-page":"79","article-title":"A Study on the Sex Ratio of Birth Based on Educational Statistics Data","volume":"32","author":"L Xu","year":"2008","journal-title":"Population Research"},{"issue":"1","key":"ref13","first-page":"10","article-title":"An Evaluation of Data Accuracy of the 2010 Population Census of China","volume":"37","author":"HY Cui","year":"2013","journal-title":"Population Research"},{"key":"ref14","unstructured":"National Bureau of Statistics of China. Statistical Communiqu\u00e9 of the People&apos;s Republic of China on the 2014 National Economic and Social Development. Available: <ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"http:\/\/www.stats.gov.cn\/english\/PressRelease\/201502\/t20150228_687439.html\" xlink:type=\"simple\">http:\/\/www.stats.gov.cn\/english\/PressRelease\/201502\/t20150228_687439.html<\/ext-link> (accessed 26 Feb 2015)."},{"issue":"1","key":"ref15","first-page":"4","article-title":"Overestimated or Underestimated: Research on the Level of Sex Ratio at Birth from Different Data Sources","volume":"1","author":"ZW Zhai","year":"2011","journal-title":"Journal of Fujian Jiangxia University"},{"issue":"2","key":"ref16","doi-asserted-by":"crossref","first-page":"189","DOI":"10.1007\/s11113-013-9283-8","article-title":"Marriage Squeeze, Never-Married Proportion, and Mean Age at First Marriage in China","volume":"33","author":"QB Jiang","year":"2014","journal-title":"Popul Res Policy Rev"},{"issue":"86","key":"ref17","doi-asserted-by":"crossref","first-page":"351","DOI":"10.1080\/10670564.2013.832541","article-title":"Male marriage squeeze and inter-provincial marriage in central China: evidence from Anhui","volume":"23","author":"L Liu","year":"2014","journal-title":"The journal of contemporary China-Dang dai Zhongguo"},{"issue":"5","key":"ref18","first-page":"60","article-title":"A Study on China\u2019s Marriage Squeeze","author":"QB Jiang","year":"2015","journal-title":"Chinese Journal of Population Science"},{"key":"ref19","doi-asserted-by":"crossref","first-page":"1422","DOI":"10.1016\/j.socscimed.2011.07.033","article-title":"The very High Sex Ratio in Rural China: Impact on the Psychosocial Wellbeing of Unmarried Men","volume":"73","author":"XD Zhou","year":"2011","journal-title":"Social Science & Medicine"},{"issue":"2","key":"ref20","first-page":"189","article-title":"gender Equality and Harmonious Society","author":"p Yu","year":"2007","journal-title":"Gansu Social Sciences"},{"issue":"12","key":"ref21","first-page":"22","article-title":"Social Risk, Influence and Consequence of Imbalanced Sex Ratio at Birth","author":"ZK Jia","year":"2012","journal-title":"Social Scientist"},{"issue":"2","key":"ref22","first-page":"174","article-title":"Researches of Criminal Problems from Sex Unbalance","author":"SA Wang","year":"2009","journal-title":"Hebei Academic Journal"},{"key":"ref23","unstructured":"Ministry of Human Resources and Social Security of the People&apos;s Republic of China. Annual Report on the Development of Social Insurance in China (2014) (in Chinese).Available:<ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"http:\/\/www.mohrss.gov.cn\/gkml\/xxgk\/201507\/t20150702_213521.html\" xlink:type=\"simple\">http:\/\/www.mohrss.gov.cn\/gkml\/xxgk\/201507\/t20150702_213521.html<\/ext-link>. (accessed 02 Jul 2015)."},{"key":"ref24","unstructured":"National Bureau of Statistics of China. China\u2019s Economy Realized a Moderate but Stable and Sound Growth in 2015. Available: <ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"http:\/\/www.stats.gov.cn\/english\/PressRelease\/201601\/t20160119_1306072.html\" xlink:type=\"simple\">http:\/\/www.stats.gov.cn\/english\/PressRelease\/201601\/t20160119_1306072.html<\/ext-link>. (accessed 19 Jan 2016)."},{"key":"ref25","unstructured":"National Health and Family Planning Commission of the People&apos;s Republic of China. China Health and Family Planning Year Book 2014 (in Chinese)."},{"key":"ref26","article-title":"National Maternal Near Miss Surveillance Working Manual"},{"issue":"2","key":"ref27","doi-asserted-by":"crossref","first-page":"109","DOI":"10.1016\/S2214-109X(15)00271-5","article-title":"Sociodemographic and obstetric characteristics of stillbirths in China: a census of nearly 4 million health facility births between 2012 and 2014","volume":"4","author":"J Zhu","year":"2016","journal-title":"Lancet Glob Health"},{"key":"ref28","first-page":"45","article-title":"The General Report on China\u2019s National Strategy on Population Development","year":"2007"},{"issue":"4","key":"ref29","first-page":"126","article-title":"Textual Research of Traditional Zodiac Culture","volume":"43","author":"J He","year":"2013","journal-title":"Library Research"},{"key":"ref30","unstructured":"Health and Family Planning Commission of the People&apos;s Republic of China. Chinese official: Q&amp;A for number of birth in 2015. Available: <ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"http:\/\/www.nhfpc.gov.cn\/jczds\/s3582r\/201601\/c44109e11fdc4a3dbca337742da86fc3.shtml\" xlink:type=\"simple\">http:\/\/www.nhfpc.gov.cn\/jczds\/s3582r\/201601\/c44109e11fdc4a3dbca337742da86fc3.shtml<\/ext-link>. (accessed 20 Jan 2016)."},{"issue":"4","key":"ref31","first-page":"5","article-title":"Spatial Heterogeneity of Imbalanced Sex Ratio at Birth in Rural China and Its Influence Factors: Based on Geographically Weighted Regression Model","volume":"36","author":"H Liu","year":"2014","journal-title":"Population Journal"},{"issue":"3","key":"ref32","first-page":"32","article-title":"The Regional Variations of Son-preference in Rural Areas","volume":"27","author":"WG Gong","year":"2013","journal-title":"Huazhong University of Science & Technology"},{"issue":"4","key":"ref33","first-page":"112","article-title":"Rural Living Arrangements and Sex Preference","author":"GJ Yu","year":"2014","journal-title":"Journal Of Xiangtan University: Philosophy And Social Sciences"},{"key":"ref34","unstructured":"Health and Family Planning Commission of the People&apos;s Republic of China. Notice on Strengthening the Preventing Identification of Fetal Sex by blood Sampling Test (in Chinese).Available: <ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"http:\/\/www.nhfpc.gov.cn\/jtfzs\/s3577\/201501\/d011142fcda546118b29c3a3c76fc0c7.shtml\" xlink:type=\"simple\">http:\/\/www.nhfpc.gov.cn\/jtfzs\/s3577\/201501\/d011142fcda546118b29c3a3c76fc0c7.shtml<\/ext-link>. (accessed 21 Jan 2015)."},{"issue":"12","key":"ref35","first-page":"34","article-title":"Characteristics and Influential Factors of the Medium Term and Above Pregnancy Termination in Six Counties, Heilongjiang","volume":"28","author":"XF Wang","year":"2015","journal-title":"Medicine and Society"},{"key":"ref36","doi-asserted-by":"crossref","first-page":"363","DOI":"10.1017\/S0021932014000182","article-title":"Sex Ration at Birth Twenty-first Century Greece: The Role of Ethnic and Social Group","volume":"47","author":"V Gavalas","year":"2015","journal-title":"Journal of Biosocial Science"},{"issue":"5","key":"ref37","doi-asserted-by":"crossref","first-page":"473","DOI":"10.3378\/1534-6617-80.5.473","article-title":"Poisson Variations of the Sex Ratio at Birth in African Demographic Surveys","volume":"80","author":"M Garenne","year":"2008","journal-title":"Human Biology"},{"issue":"2","key":"ref38","doi-asserted-by":"crossref","first-page":"205","DOI":"10.1111\/j.1469-1809.1977.tb01916.x","article-title":"Maternal age, parity, social class, and sex ratio","volume":"41","author":"J Rostron","year":"1977","journal-title":"Annals of Human Genetics"},{"issue":"1","key":"ref39","first-page":"8","article-title":"Reinterpretation on the Relationship of Family Planning Policy and Sex Ratio at Birth: Gender Perspective","volume":"31","author":"XJ Zhu","year":"2010","journal-title":"Northwest Population"},{"issue":"4","key":"ref40","first-page":"37","article-title":"Parity-Intensification Effect: Birth Planning Policy and Sex Ratio at Birth in China","volume":"15","author":"JH Yang","year":"2009","journal-title":"Population and Development"},{"issue":"70","key":"ref41","first-page":"7","article-title":"Analysis of the Development of Sex Ratio at Birth of China&apos;s Rural Population","volume":"13","author":"XF Zhao","year":"2014","journal-title":"Journal of Anhui Vocational College of Police Officers"},{"issue":"1","key":"ref42","first-page":"82","article-title":"Key Factors of New Birth Population Size after the two child policy implemented","author":"GZ Wang","year":"2016","journal-title":"Academia Bimestris"},{"key":"ref43","unstructured":"Health and Family Planning Commission of the People&apos;s Republic of China. Wang Pei\u2019an, Vice Minister of the National Health and Family Planning Commission, Answered Reporters\u2019 Question about Implementation of a Comprehensive Two Child Policy (in Chinese).Available: <ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"http:\/\/www.nhfpc.gov.cn\/xcs\/s3574\/201510\/b03bbb9da18044c299f673f0b84eeab1.shtml\" xlink:type=\"simple\">http:\/\/www.nhfpc.gov.cn\/xcs\/s3574\/201510\/b03bbb9da18044c299f673f0b84eeab1.shtml<\/ext-link>. (accessed 30 Oct 2015)."}],"container-title":["PLOS ONE"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/dx.plos.org\/10.1371\/journal.pone.0167575","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2018,10,22]],"date-time":"2018-10-22T21:05:00Z","timestamp":1540242300000},"score":1,"resource":{"primary":{"URL":"https:\/\/dx.plos.org\/10.1371\/journal.pone.0167575"}},"subtitle":[],"editor":[{"given":"Zhong-Cheng","family":"Luo","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"editor"}]}],"short-title":[],"issued":{"date-parts":[[2016,12,12]]},"references-count":43,"journal-issue":{"issue":"12","published-online":{"date-parts":[[2016,12,12]]}},"URL":"https:\/\/doi.org\/10.1371\/journal.pone.0167575","relation":{},"ISSN":["1932-6203"],"issn-type":[{"value":"1932-6203","type":"electronic"}],"subject":[],"published":{"date-parts":[[2016,12,12]]}}}