{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,14]],"date-time":"2025-12-14T16:09:45Z","timestamp":1765728585082},"reference-count":18,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2016,9,1]],"date-time":"2016-09-01T00:00:00Z","timestamp":1472688000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100001160","name":"Health Effects Institute","doi-asserted-by":"publisher","award":["4791\u2010RFA09\u20102\/10\u20105"],"award-info":[{"award-number":["4791\u2010RFA09\u20102\/10\u20105"]}],"id":[{"id":"10.13039\/100001160","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Paediatric Perinatal Epid"],"published-print":{"date-parts":[[2016,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Both high and low prepregnancy body mass index (<jats:styled-content style=\"fixed-case\">BMI<\/jats:styled-content>) has been associated with small for gestational age births (<jats:styled-content style=\"fixed-case\">SGA<\/jats:styled-content>; birthweight below the population specific 10th centile for the gestational age), but results remain inconsistent. We examined the association between maternal <jats:styled-content style=\"fixed-case\">BMI<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">SGA<\/jats:styled-content>, and evaluated if the associations were modified by preterm birth (being born prior to 37 weeks) status.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A population\u2010based cohort study was conducted in Wuhan, China from June 2011, to June 2013. Women who delivered a non\u2010malformed livebirth (<jats:italic>n<\/jats:italic> = 76 695) were included using the Wuhan Maternal and Child Health Management Information System. Log\u2010binomial regression models were used to analyse the associations between prepregnancy <jats:styled-content style=\"fixed-case\">BMI<\/jats:styled-content>, categorized using thresholds adapted to the Chinese population, and <jats:styled-content style=\"fixed-case\">SGA<\/jats:styled-content>. Stratified analyses were used to examine the relationship of prepregnancy <jats:styled-content style=\"fixed-case\">BMI<\/jats:styled-content> to preterm\u2010<jats:styled-content style=\"fixed-case\">SGA<\/jats:styled-content> and term\u2010<jats:styled-content style=\"fixed-case\">SGA<\/jats:styled-content>.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Of the 76 695 live births, 3058 (4.0%) were delivered preterm. For babies born at term, prepregnancy underweight (&lt;18.5 kg\/m<jats:sup>2<\/jats:sup>) was associated with an increased risk of <jats:styled-content style=\"fixed-case\">SGA<\/jats:styled-content>, the adjusted risk ratio (<jats:styled-content style=\"fixed-case\">RR<\/jats:styled-content>) was 1.41 (95% confidence interval (<jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>) 1.33, 1.49), whereas, being overweight (24.0\u201327.9 kg\/m<jats:sup>2<\/jats:sup>) was associated with a decreased risk (<jats:styled-content style=\"fixed-case\">RR<\/jats:styled-content> 0.84, 95% <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content> 0.74, 0.94). For babies born preterm, prepregnancy underweight was not associated with risk of <jats:styled-content style=\"fixed-case\">SGA<\/jats:styled-content>, but being overweight was associated with an increased risk (<jats:styled-content style=\"fixed-case\">RR<\/jats:styled-content> 1.57, 95% <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content> 1.04, 2.35).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>These data suggest that the association of overweight and underweight prepregnancy <jats:styled-content style=\"fixed-case\">BMI<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">SGA<\/jats:styled-content> differs depending on whether the baby is full term or preterm.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ppe.12315","type":"journal-article","created":{"date-parts":[[2016,9,1]],"date-time":"2016-09-01T06:42:52Z","timestamp":1472712172000},"page":"550-554","source":"Crossref","is-referenced-by-count":15,"title":["Maternal Prepregnancy Body Mass Index and Small for Gestational Age Births in Chinese Women"],"prefix":"10.1111","volume":"30","author":[{"given":"Bin","family":"Zhang","sequence":"first","affiliation":[{"name":"Wuhan Medical and Health Center for Women and Children Wuhan China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shaoping","family":"Yang","sequence":"additional","affiliation":[{"name":"Wuhan Medical and Health Center for Women and Children Wuhan China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rong","family":"Yang","sequence":"additional","affiliation":[{"name":"Wuhan Medical and Health Center for Women and Children Wuhan China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jing","family":"Wang","sequence":"additional","affiliation":[{"name":"College for Public Health and Social Justice Saint Louis University Saint Louis MO"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shengwen","family":"Liang","sequence":"additional","affiliation":[{"name":"Wuhan Environmental Monitoring Center Wuhan China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ronghua","family":"Hu","sequence":"additional","affiliation":[{"name":"Wuhan Medical and Health Center for Women and Children Wuhan China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hong","family":"Xian","sequence":"additional","affiliation":[{"name":"College for Public Health and Social Justice Saint Louis University Saint Louis MO"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ke","family":"Hu","sequence":"additional","affiliation":[{"name":"Wuhan Environmental Monitoring Center Wuhan China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yimin","family":"Zhang","sequence":"additional","affiliation":[{"name":"Wuhan Medical and Health Center for Women and Children Wuhan China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nancy L.","family":"Weaver","sequence":"additional","affiliation":[{"name":"College for Public Health and Social Justice Saint Louis University Saint Louis MO"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hongming","family":"Wei","sequence":"additional","affiliation":[{"name":"Wuhan Environmental Monitoring Center Wuhan China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michael G.","family":"Vaughn","sequence":"additional","affiliation":[{"name":"College for Public Health and Social Justice Saint Louis University Saint Louis MO"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hui","family":"Peng","sequence":"additional","affiliation":[{"name":"Wuhan Environmental Monitoring Center Wuhan China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Brian B.","family":"Boutwell","sequence":"additional","affiliation":[{"name":"College for Public Health and Social Justice Saint Louis University Saint Louis MO"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhen","family":"Huang","sequence":"additional","affiliation":[{"name":"Wuhan Environmental Monitoring Center Wuhan China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhengmin","family":"Qian","sequence":"additional","affiliation":[{"name":"College for Public Health and Social Justice Saint Louis University Saint Louis MO"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2016,9]]},"reference":[{"key":"e_1_2_7_2_1","volume-title":"Physical Status: the Use of and Interpretation of Anthropometry, Report of a WHO Expert Committee","author":"WHO Expert Committee on Physical 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