Preterm birth and neonatal mortality in China in 2011
Abstract Objective To determine the incidence of preterm birth, its regional distribution, and associated neonatal mortality in mainland China. Methods In a multicenter, hospital-based investigation of preterm birth, 2011 data were obtained from the seven administrative regions of mainland China. Be...
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| Veröffentlicht in: | International journal of gynecology and obstetrics 2014-12, Vol.127 (3), p.243-247 |
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| container_title | International journal of gynecology and obstetrics |
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| creator | Zou, Liying Wang, Xin Ruan, Yan Li, Guanghui Chen, Yi Zhang, Weiyuan |
| description | Abstract Objective To determine the incidence of preterm birth, its regional distribution, and associated neonatal mortality in mainland China. Methods In a multicenter, hospital-based investigation of preterm birth, 2011 data were obtained from the seven administrative regions of mainland China. Between one and three subcenters were randomly selected for each administrative region, followed by secondary and tertiary hospitals within the chosen subcenters. Data were obtained from women’s medical records, and obstetric and perinatal events were summarized. Results Data for 107 905 deliveries were analyzed, which included 7769 (7.1%) preterm births (occurring between 28 and 37 weeks of pregnancy). The incidence varied among regions. Late preterm birth (between 34 and 37 weeks) accounted for 5495 (70.7%) of preterm births. The neonatal mortality rate was 33 deaths per 1000 live preterm births. Of the 254 neonatal deaths, 147 (57.9%) occurred after very preterm birth (between 28 and 32 weeks). Overall, 4519 (58.2%) preterm births occurred by cesarean. Conclusion The distribution of preterm birth across China is unbalanced, and neonatal mortality associated with preterm birth is high. |
| doi_str_mv | 10.1016/j.ijgo.2014.06.018 |
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Methods In a multicenter, hospital-based investigation of preterm birth, 2011 data were obtained from the seven administrative regions of mainland China. Between one and three subcenters were randomly selected for each administrative region, followed by secondary and tertiary hospitals within the chosen subcenters. Data were obtained from women’s medical records, and obstetric and perinatal events were summarized. Results Data for 107 905 deliveries were analyzed, which included 7769 (7.1%) preterm births (occurring between 28 and 37 weeks of pregnancy). The incidence varied among regions. Late preterm birth (between 34 and 37 weeks) accounted for 5495 (70.7%) of preterm births. The neonatal mortality rate was 33 deaths per 1000 live preterm births. Of the 254 neonatal deaths, 147 (57.9%) occurred after very preterm birth (between 28 and 32 weeks). Overall, 4519 (58.2%) preterm births occurred by cesarean. Conclusion The distribution of preterm birth across China is unbalanced, and neonatal mortality associated with preterm birth is high.</description><identifier>ISSN: 0020-7292</identifier><identifier>EISSN: 1879-3479</identifier><identifier>DOI: 10.1016/j.ijgo.2014.06.018</identifier><identifier>PMID: 25132529</identifier><language>eng</language><publisher>United States: Elsevier Ireland Ltd</publisher><subject>Adult ; China - epidemiology ; Delivery, Obstetric - methods ; Female ; Gestational Age ; Humans ; Incidence ; Infant ; Infant Mortality ; Infant, Newborn ; Infant, Premature ; Mode of delivery ; Neonatal mortality ; Obstetrics and Gynecology ; Pregnancy ; Pregnancy Outcome - epidemiology ; Premature Birth - epidemiology ; Premature Birth - mortality ; Preterm birth</subject><ispartof>International journal of gynecology and obstetrics, 2014-12, Vol.127 (3), p.243-247</ispartof><rights>International Federation of Gynecology and Obstetrics</rights><rights>2014 International Federation of Gynecology and Obstetrics</rights><rights>Copyright © 2014 International Federation of Gynecology and Obstetrics. Published by Elsevier Ireland Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c5953-42714d7e4c4d2a7de2381dab0ce77a5f21191fc5e9409db2b3930381fa46b7193</citedby><cites>FETCH-LOGICAL-c5953-42714d7e4c4d2a7de2381dab0ce77a5f21191fc5e9409db2b3930381fa46b7193</cites><orcidid>0000-0002-8933-2890</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1016%2Fj.ijgo.2014.06.018$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1016%2Fj.ijgo.2014.06.018$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/25132529$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Zou, Liying</creatorcontrib><creatorcontrib>Wang, Xin</creatorcontrib><creatorcontrib>Ruan, Yan</creatorcontrib><creatorcontrib>Li, Guanghui</creatorcontrib><creatorcontrib>Chen, Yi</creatorcontrib><creatorcontrib>Zhang, Weiyuan</creatorcontrib><title>Preterm birth and neonatal mortality in China in 2011</title><title>International journal of gynecology and obstetrics</title><addtitle>Int J Gynaecol Obstet</addtitle><description>Abstract Objective To determine the incidence of preterm birth, its regional distribution, and associated neonatal mortality in mainland China. Methods In a multicenter, hospital-based investigation of preterm birth, 2011 data were obtained from the seven administrative regions of mainland China. Between one and three subcenters were randomly selected for each administrative region, followed by secondary and tertiary hospitals within the chosen subcenters. Data were obtained from women’s medical records, and obstetric and perinatal events were summarized. Results Data for 107 905 deliveries were analyzed, which included 7769 (7.1%) preterm births (occurring between 28 and 37 weeks of pregnancy). The incidence varied among regions. Late preterm birth (between 34 and 37 weeks) accounted for 5495 (70.7%) of preterm births. The neonatal mortality rate was 33 deaths per 1000 live preterm births. Of the 254 neonatal deaths, 147 (57.9%) occurred after very preterm birth (between 28 and 32 weeks). Overall, 4519 (58.2%) preterm births occurred by cesarean. Conclusion The distribution of preterm birth across China is unbalanced, and neonatal mortality associated with preterm birth is high.</description><subject>Adult</subject><subject>China - epidemiology</subject><subject>Delivery, Obstetric - methods</subject><subject>Female</subject><subject>Gestational Age</subject><subject>Humans</subject><subject>Incidence</subject><subject>Infant</subject><subject>Infant Mortality</subject><subject>Infant, Newborn</subject><subject>Infant, Premature</subject><subject>Mode of delivery</subject><subject>Neonatal mortality</subject><subject>Obstetrics and Gynecology</subject><subject>Pregnancy</subject><subject>Pregnancy Outcome - epidemiology</subject><subject>Premature Birth - epidemiology</subject><subject>Premature Birth - mortality</subject><subject>Preterm birth</subject><issn>0020-7292</issn><issn>1879-3479</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkU9v1DAQxS0EokvhC3BAOXJJmLGdOJYQElpBKapUJOBsOfaEOuRPsbNF--1xtIUDB8Rp5vDem9HvMfYcoULA5tVQheHbUnFAWUFTAbYP2A5bpUshlX7IdgAcSsU1P2NPUhoAABXiY3bGaxS85nrH6k-RVopT0YW43hR29sVMy2xXOxbTEvMI67EIc7G_CbPdlnwOn7JHvR0TPbuf5-zr-3df9h_Kq-uLy_3bq9LVuhal5AqlVySd9NwqT1y06G0HjpSydc8RNfauJi1B-453QgvIkt7KplOoxTl7ecq9jcuPA6XVTCE5Gkebnzwkgw3X-VAr2yzlJ6mLS0qRenMbw2Tj0SCYDZcZzIbLbLgMNCbjyqYX9_mHbiL_x_KbTxaok-BnGOn4H5Hm8uPFNZciO1-fnJT53AWKJrlAsyMfIrnV-CX8-7M3f9ndGObg7PidjpSG5RDnTN6gSdyA-bxVvTWNEkAiF-IXzNSezw</recordid><startdate>201412</startdate><enddate>201412</enddate><creator>Zou, Liying</creator><creator>Wang, Xin</creator><creator>Ruan, Yan</creator><creator>Li, Guanghui</creator><creator>Chen, Yi</creator><creator>Zhang, Weiyuan</creator><general>Elsevier Ireland Ltd</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-8933-2890</orcidid></search><sort><creationdate>201412</creationdate><title>Preterm birth and neonatal mortality in China in 2011</title><author>Zou, Liying ; Wang, Xin ; Ruan, Yan ; Li, Guanghui ; Chen, Yi ; Zhang, Weiyuan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5953-42714d7e4c4d2a7de2381dab0ce77a5f21191fc5e9409db2b3930381fa46b7193</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Adult</topic><topic>China - epidemiology</topic><topic>Delivery, Obstetric - methods</topic><topic>Female</topic><topic>Gestational Age</topic><topic>Humans</topic><topic>Incidence</topic><topic>Infant</topic><topic>Infant Mortality</topic><topic>Infant, Newborn</topic><topic>Infant, Premature</topic><topic>Mode of delivery</topic><topic>Neonatal mortality</topic><topic>Obstetrics and Gynecology</topic><topic>Pregnancy</topic><topic>Pregnancy Outcome - epidemiology</topic><topic>Premature Birth - epidemiology</topic><topic>Premature Birth - mortality</topic><topic>Preterm birth</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zou, Liying</creatorcontrib><creatorcontrib>Wang, Xin</creatorcontrib><creatorcontrib>Ruan, Yan</creatorcontrib><creatorcontrib>Li, Guanghui</creatorcontrib><creatorcontrib>Chen, Yi</creatorcontrib><creatorcontrib>Zhang, Weiyuan</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>International journal of gynecology and obstetrics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zou, Liying</au><au>Wang, Xin</au><au>Ruan, Yan</au><au>Li, Guanghui</au><au>Chen, Yi</au><au>Zhang, Weiyuan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Preterm birth and neonatal mortality in China in 2011</atitle><jtitle>International journal of gynecology and obstetrics</jtitle><addtitle>Int J Gynaecol Obstet</addtitle><date>2014-12</date><risdate>2014</risdate><volume>127</volume><issue>3</issue><spage>243</spage><epage>247</epage><pages>243-247</pages><issn>0020-7292</issn><eissn>1879-3479</eissn><abstract>Abstract Objective To determine the incidence of preterm birth, its regional distribution, and associated neonatal mortality in mainland China. Methods In a multicenter, hospital-based investigation of preterm birth, 2011 data were obtained from the seven administrative regions of mainland China. Between one and three subcenters were randomly selected for each administrative region, followed by secondary and tertiary hospitals within the chosen subcenters. Data were obtained from women’s medical records, and obstetric and perinatal events were summarized. Results Data for 107 905 deliveries were analyzed, which included 7769 (7.1%) preterm births (occurring between 28 and 37 weeks of pregnancy). The incidence varied among regions. Late preterm birth (between 34 and 37 weeks) accounted for 5495 (70.7%) of preterm births. The neonatal mortality rate was 33 deaths per 1000 live preterm births. Of the 254 neonatal deaths, 147 (57.9%) occurred after very preterm birth (between 28 and 32 weeks). Overall, 4519 (58.2%) preterm births occurred by cesarean. Conclusion The distribution of preterm birth across China is unbalanced, and neonatal mortality associated with preterm birth is high.</abstract><cop>United States</cop><pub>Elsevier Ireland Ltd</pub><pmid>25132529</pmid><doi>10.1016/j.ijgo.2014.06.018</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0002-8933-2890</orcidid></addata></record> |
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| subjects | Adult China - epidemiology Delivery, Obstetric - methods Female Gestational Age Humans Incidence Infant Infant Mortality Infant, Newborn Infant, Premature Mode of delivery Neonatal mortality Obstetrics and Gynecology Pregnancy Pregnancy Outcome - epidemiology Premature Birth - epidemiology Premature Birth - mortality Preterm birth |
| title | Preterm birth and neonatal mortality in China in 2011 |
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