Risk of Stillbirth and Infant Death Stratified by Gestational Age
OBJECTIVE:To estimate the multiple dimensions of risk faced by pregnant women and their health care providers when comparing the risks of stillbirth at term with the risk of infant death after birth. METHODS:This is a retrospective cohort study that included all nonanomalous, term deliveries in the...
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| Veröffentlicht in: | Obstetrics and gynecology (New York. 1953) 2012-07, Vol.120 (1), p.76-82 |
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| container_title | Obstetrics and gynecology (New York. 1953) |
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| creator | Rosenstein, Melissa G Cheng, Yvonne W Snowden, Jonathan M Nicholson, James M Caughey, Aaron B |
| description | OBJECTIVE:To estimate the multiple dimensions of risk faced by pregnant women and their health care providers when comparing the risks of stillbirth at term with the risk of infant death after birth.
METHODS:This is a retrospective cohort study that included all nonanomalous, term deliveries in the state of California from 1997 to 2006 (N=3,820,826). The study compared infant mortality rates after delivery at each week of term pregnancy with the rates of a composite fetal–infant mortality that would occur after expectant management for 1 additional week.
RESULTS:The risk of stillbirth at term increases with gestational age from 2.1 per 10,000 ongoing pregnancies at 37 weeks of gestation up to 10.8 per 10,000 ongoing pregnancies at 42 weeks of gestation. At 38 weeks of gestation, the risk of expectant management carries a similar risk of death as delivery, but at each later gestational age, the mortality risk of expectant management is higher than the risk of delivery (39 weeks of gestation12.9 compared with 8.8 per 10,000; 40 weeks of gestation14.9 compared with 9.5 per 10,000; 41 weeks of gestation17.6 compared with 10.8 per 10,000).
CONCLUSION:Infant mortality rates at 39, 40, and 41 weeks of gestation are lower than the overall mortality risk of expectant management for 1 week.
LEVEL OF EVIDENCE:II |
| doi_str_mv | 10.1097/AOG.0b013e31825bd286 |
| format | Article |
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METHODS:This is a retrospective cohort study that included all nonanomalous, term deliveries in the state of California from 1997 to 2006 (N=3,820,826). The study compared infant mortality rates after delivery at each week of term pregnancy with the rates of a composite fetal–infant mortality that would occur after expectant management for 1 additional week.
RESULTS:The risk of stillbirth at term increases with gestational age from 2.1 per 10,000 ongoing pregnancies at 37 weeks of gestation up to 10.8 per 10,000 ongoing pregnancies at 42 weeks of gestation. At 38 weeks of gestation, the risk of expectant management carries a similar risk of death as delivery, but at each later gestational age, the mortality risk of expectant management is higher than the risk of delivery (39 weeks of gestation12.9 compared with 8.8 per 10,000; 40 weeks of gestation14.9 compared with 9.5 per 10,000; 41 weeks of gestation17.6 compared with 10.8 per 10,000).
CONCLUSION:Infant mortality rates at 39, 40, and 41 weeks of gestation are lower than the overall mortality risk of expectant management for 1 week.
LEVEL OF EVIDENCE:II</description><identifier>ISSN: 0029-7844</identifier><identifier>EISSN: 1873-233X</identifier><identifier>DOI: 10.1097/AOG.0b013e31825bd286</identifier><identifier>PMID: 22914394</identifier><identifier>CODEN: OBGNAS</identifier><language>eng</language><publisher>Hagerstown, MD: The American College of Obstetricians and Gynecologists</publisher><subject>Adult ; Biological and medical sciences ; California - epidemiology ; Female ; Fetal Mortality ; Gestational Age ; Gynecology. Andrology. Obstetrics ; Humans ; Infant Mortality ; Infant, Newborn ; Medical sciences ; Pregnancy ; Retrospective Studies ; Risk ; Stillbirth - epidemiology ; Young Adult</subject><ispartof>Obstetrics and gynecology (New York. 1953), 2012-07, Vol.120 (1), p.76-82</ispartof><rights>2012 The American College of Obstetricians and Gynecologists</rights><rights>2015 INIST-CNRS</rights><rights>2012 by The American College of Obstetricians and Gynecologists 2012</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4834-b441242b9db8c6c21b30b1a590c069ea36aa0de24348c25c5918d19570e6722c3</citedby><cites>FETCH-LOGICAL-c4834-b441242b9db8c6c21b30b1a590c069ea36aa0de24348c25c5918d19570e6722c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,309,310,314,776,780,785,786,881,23909,23910,25118,27901,27902</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=26020203$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22914394$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Rosenstein, Melissa G</creatorcontrib><creatorcontrib>Cheng, Yvonne W</creatorcontrib><creatorcontrib>Snowden, Jonathan M</creatorcontrib><creatorcontrib>Nicholson, James M</creatorcontrib><creatorcontrib>Caughey, Aaron B</creatorcontrib><title>Risk of Stillbirth and Infant Death Stratified by Gestational Age</title><title>Obstetrics and gynecology (New York. 1953)</title><addtitle>Obstet Gynecol</addtitle><description>OBJECTIVE:To estimate the multiple dimensions of risk faced by pregnant women and their health care providers when comparing the risks of stillbirth at term with the risk of infant death after birth.
METHODS:This is a retrospective cohort study that included all nonanomalous, term deliveries in the state of California from 1997 to 2006 (N=3,820,826). The study compared infant mortality rates after delivery at each week of term pregnancy with the rates of a composite fetal–infant mortality that would occur after expectant management for 1 additional week.
RESULTS:The risk of stillbirth at term increases with gestational age from 2.1 per 10,000 ongoing pregnancies at 37 weeks of gestation up to 10.8 per 10,000 ongoing pregnancies at 42 weeks of gestation. At 38 weeks of gestation, the risk of expectant management carries a similar risk of death as delivery, but at each later gestational age, the mortality risk of expectant management is higher than the risk of delivery (39 weeks of gestation12.9 compared with 8.8 per 10,000; 40 weeks of gestation14.9 compared with 9.5 per 10,000; 41 weeks of gestation17.6 compared with 10.8 per 10,000).
CONCLUSION:Infant mortality rates at 39, 40, and 41 weeks of gestation are lower than the overall mortality risk of expectant management for 1 week.
LEVEL OF EVIDENCE:II</description><subject>Adult</subject><subject>Biological and medical sciences</subject><subject>California - epidemiology</subject><subject>Female</subject><subject>Fetal Mortality</subject><subject>Gestational Age</subject><subject>Gynecology. Andrology. Obstetrics</subject><subject>Humans</subject><subject>Infant Mortality</subject><subject>Infant, Newborn</subject><subject>Medical sciences</subject><subject>Pregnancy</subject><subject>Retrospective Studies</subject><subject>Risk</subject><subject>Stillbirth - epidemiology</subject><subject>Young Adult</subject><issn>0029-7844</issn><issn>1873-233X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpdkW9LHDEQxoNU9Gr7DUT2TcE3ayd_Npu8EQ5tr4IgqIW-C0l21ovmdm2yp_jtG_GqrYQQJvnNM5NnCNmncERBt1_nF4sjcEA5cqpY4zqm5BaZUdXymnH-6wOZATBdt0qIXfIx51sAoFLzHbLLmKaCazEj88uQ76qxr66mEKMLaVpWduiqs6G3w1Sdoi0XV1OyU-gDdpV7qhaYpxKOg43V_AY_ke3exoyfN-ce-fn92_XJj_r8YnF2Mj-vvVBc1E4IygRzunPKS8-o4-CobTR4kBotl9ZCh0xwoTxrfKOp6qhuWkDZMub5Hjl-0b1fuxV2HofSVTT3KaxsejKjDeb_lyEszc34YHhLtRK8CBxuBNL4e10-YVYhe4zRDjius6HAm7KlogUVL6hPY84J-9cyFMyz-6a4b967X9IO_m3xNemv3QX4sgFs9jb2yQ4-5DdOAiuLv9V_HOOEKd_F9SMms0Qbp6UpcwTJGqgZUAZtiern0Qr-B7mrnOQ</recordid><startdate>201207</startdate><enddate>201207</enddate><creator>Rosenstein, Melissa G</creator><creator>Cheng, Yvonne W</creator><creator>Snowden, Jonathan M</creator><creator>Nicholson, James M</creator><creator>Caughey, Aaron B</creator><general>The American College of Obstetricians and Gynecologists</general><general>Lippincott Williams & Wilkins</general><scope>IQODW</scope><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><scope>5PM</scope></search><sort><creationdate>201207</creationdate><title>Risk of Stillbirth and Infant Death Stratified by Gestational Age</title><author>Rosenstein, Melissa G ; Cheng, Yvonne W ; Snowden, Jonathan M ; Nicholson, James M ; Caughey, Aaron B</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4834-b441242b9db8c6c21b30b1a590c069ea36aa0de24348c25c5918d19570e6722c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Adult</topic><topic>Biological and medical sciences</topic><topic>California - epidemiology</topic><topic>Female</topic><topic>Fetal Mortality</topic><topic>Gestational Age</topic><topic>Gynecology. Andrology. Obstetrics</topic><topic>Humans</topic><topic>Infant Mortality</topic><topic>Infant, Newborn</topic><topic>Medical sciences</topic><topic>Pregnancy</topic><topic>Retrospective Studies</topic><topic>Risk</topic><topic>Stillbirth - epidemiology</topic><topic>Young Adult</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Rosenstein, Melissa G</creatorcontrib><creatorcontrib>Cheng, Yvonne W</creatorcontrib><creatorcontrib>Snowden, Jonathan M</creatorcontrib><creatorcontrib>Nicholson, James M</creatorcontrib><creatorcontrib>Caughey, Aaron B</creatorcontrib><collection>Pascal-Francis</collection><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><collection>PubMed Central (Full Participant titles)</collection><jtitle>Obstetrics and gynecology (New York. 1953)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Rosenstein, Melissa G</au><au>Cheng, Yvonne W</au><au>Snowden, Jonathan M</au><au>Nicholson, James M</au><au>Caughey, Aaron B</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Risk of Stillbirth and Infant Death Stratified by Gestational Age</atitle><jtitle>Obstetrics and gynecology (New York. 1953)</jtitle><addtitle>Obstet Gynecol</addtitle><date>2012-07</date><risdate>2012</risdate><volume>120</volume><issue>1</issue><spage>76</spage><epage>82</epage><pages>76-82</pages><issn>0029-7844</issn><eissn>1873-233X</eissn><coden>OBGNAS</coden><abstract>OBJECTIVE:To estimate the multiple dimensions of risk faced by pregnant women and their health care providers when comparing the risks of stillbirth at term with the risk of infant death after birth.
METHODS:This is a retrospective cohort study that included all nonanomalous, term deliveries in the state of California from 1997 to 2006 (N=3,820,826). The study compared infant mortality rates after delivery at each week of term pregnancy with the rates of a composite fetal–infant mortality that would occur after expectant management for 1 additional week.
RESULTS:The risk of stillbirth at term increases with gestational age from 2.1 per 10,000 ongoing pregnancies at 37 weeks of gestation up to 10.8 per 10,000 ongoing pregnancies at 42 weeks of gestation. At 38 weeks of gestation, the risk of expectant management carries a similar risk of death as delivery, but at each later gestational age, the mortality risk of expectant management is higher than the risk of delivery (39 weeks of gestation12.9 compared with 8.8 per 10,000; 40 weeks of gestation14.9 compared with 9.5 per 10,000; 41 weeks of gestation17.6 compared with 10.8 per 10,000).
CONCLUSION:Infant mortality rates at 39, 40, and 41 weeks of gestation are lower than the overall mortality risk of expectant management for 1 week.
LEVEL OF EVIDENCE:II</abstract><cop>Hagerstown, MD</cop><pub>The American College of Obstetricians and Gynecologists</pub><pmid>22914394</pmid><doi>10.1097/AOG.0b013e31825bd286</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Obstetrics and gynecology (New York. 1953), 2012-07, Vol.120 (1), p.76-82 |
| issn | 0029-7844 1873-233X |
| language | eng |
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| source | MEDLINE; Journals@Ovid Complete |
| subjects | Adult Biological and medical sciences California - epidemiology Female Fetal Mortality Gestational Age Gynecology. Andrology. Obstetrics Humans Infant Mortality Infant, Newborn Medical sciences Pregnancy Retrospective Studies Risk Stillbirth - epidemiology Young Adult |
| title | Risk of Stillbirth and Infant Death Stratified by Gestational Age |
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