A population-based cohort study of birth and neonatal outcome in older primipara
Objectives: To examine the risk of adverse birth outcome in older primiparous women. Methods: We identified 14 676 primiparae of 20 years of age or more from 1991 to 1996 using the Birth Registry in the North Jutland County, Denmark. We evaluated the risk of adverse birth outcome in the primiparous...
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| Veröffentlicht in: | International journal of gynecology and obstetrics 2000-02, Vol.68 (2), p.113-118 |
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| creator | Yuan, W Steffensen, F.H Nielsen, G.L Møller, M Olsen, J Sørensen, H.T |
| description | Objectives: To examine the risk of adverse birth outcome in older primiparous women.
Methods: We identified 14
676 primiparae of 20 years of age or more from 1991 to 1996 using the Birth Registry in the North Jutland County, Denmark. We evaluated the risk of adverse birth outcome in the primiparous women aged 30–34 years and above 35 years using the primiparae aged 20–29 years at time of birth as reference.
Results: The risks of induced labor, perineotomy, stimulating contraction and vacuum extraction were significantly higher (adjusted odds ratio: 1.3 to 1.7) in the primiparae of 35 years or more. The odds ratio for cesarean section delivery was 2.1 (95% confidence interval: 1.7–2.6) and the odds ratio for delivering a low birth weight child among the primiparae of 35 years or more was 2.2 (95% confidence interval: 1.4–3.3) compared with the primiparae of 20–29 years of age. These risk estimates were independent of women's infertility treatment history.
Conclusions: A negative effect of maternal age on birth and neonatal outcome may be seen even after 30 years of age and is partly related to chronic diseases. However, it is impossible to rule out selection bias, but the actual risk must be taken into consideration in antenatal care. |
| doi_str_mv | 10.1016/S0020-7292(99)00181-2 |
| format | Article |
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Methods: We identified 14
676 primiparae of 20 years of age or more from 1991 to 1996 using the Birth Registry in the North Jutland County, Denmark. We evaluated the risk of adverse birth outcome in the primiparous women aged 30–34 years and above 35 years using the primiparae aged 20–29 years at time of birth as reference.
Results: The risks of induced labor, perineotomy, stimulating contraction and vacuum extraction were significantly higher (adjusted odds ratio: 1.3 to 1.7) in the primiparae of 35 years or more. The odds ratio for cesarean section delivery was 2.1 (95% confidence interval: 1.7–2.6) and the odds ratio for delivering a low birth weight child among the primiparae of 35 years or more was 2.2 (95% confidence interval: 1.4–3.3) compared with the primiparae of 20–29 years of age. These risk estimates were independent of women's infertility treatment history.
Conclusions: A negative effect of maternal age on birth and neonatal outcome may be seen even after 30 years of age and is partly related to chronic diseases. However, it is impossible to rule out selection bias, but the actual risk must be taken into consideration in antenatal care.</description><identifier>ISSN: 0020-7292</identifier><identifier>EISSN: 1879-3479</identifier><identifier>DOI: 10.1016/S0020-7292(99)00181-2</identifier><identifier>PMID: 10717814</identifier><identifier>CODEN: IJGOAL</identifier><language>eng</language><publisher>Shannon: Elsevier Ireland Ltd</publisher><subject>Adult ; Advanced maternal age ; Age Factors ; Biological and medical sciences ; Cesarean Section - statistics & numerical data ; Cohort Studies ; Delivery, Obstetric - statistics & numerical data ; Denmark ; Diseases of mother, fetus and pregnancy ; Female ; Gynecology. Andrology. Obstetrics ; Humans ; Infant, Low Birth Weight ; Infant, Newborn ; Maternal Age ; Medical sciences ; Neonatal outcome ; Pregnancy ; Pregnancy Outcome ; Pregnancy. Fetus. Placenta ; Primipara ; Risk Assessment</subject><ispartof>International journal of gynecology and obstetrics, 2000-02, Vol.68 (2), p.113-118</ispartof><rights>2000 International Federation of Gynecology and Obstetrics</rights><rights>2000 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4413-cb7a5ddd157d5a03961a4e0b501022e5ee33880a6227aa74f72e6571cd698a093</citedby><cites>FETCH-LOGICAL-c4413-cb7a5ddd157d5a03961a4e0b501022e5ee33880a6227aa74f72e6571cd698a093</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1016%2FS0020-7292%2899%2900181-2$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0020729299001812$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,1411,3537,27901,27902,45550,45551,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1264947$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/10717814$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Yuan, W</creatorcontrib><creatorcontrib>Steffensen, F.H</creatorcontrib><creatorcontrib>Nielsen, G.L</creatorcontrib><creatorcontrib>Møller, M</creatorcontrib><creatorcontrib>Olsen, J</creatorcontrib><creatorcontrib>Sørensen, H.T</creatorcontrib><title>A population-based cohort study of birth and neonatal outcome in older primipara</title><title>International journal of gynecology and obstetrics</title><addtitle>Int J Gynaecol Obstet</addtitle><description>Objectives: To examine the risk of adverse birth outcome in older primiparous women.
Methods: We identified 14
676 primiparae of 20 years of age or more from 1991 to 1996 using the Birth Registry in the North Jutland County, Denmark. We evaluated the risk of adverse birth outcome in the primiparous women aged 30–34 years and above 35 years using the primiparae aged 20–29 years at time of birth as reference.
Results: The risks of induced labor, perineotomy, stimulating contraction and vacuum extraction were significantly higher (adjusted odds ratio: 1.3 to 1.7) in the primiparae of 35 years or more. The odds ratio for cesarean section delivery was 2.1 (95% confidence interval: 1.7–2.6) and the odds ratio for delivering a low birth weight child among the primiparae of 35 years or more was 2.2 (95% confidence interval: 1.4–3.3) compared with the primiparae of 20–29 years of age. These risk estimates were independent of women's infertility treatment history.
Conclusions: A negative effect of maternal age on birth and neonatal outcome may be seen even after 30 years of age and is partly related to chronic diseases. However, it is impossible to rule out selection bias, but the actual risk must be taken into consideration in antenatal care.</description><subject>Adult</subject><subject>Advanced maternal age</subject><subject>Age Factors</subject><subject>Biological and medical sciences</subject><subject>Cesarean Section - statistics & numerical data</subject><subject>Cohort Studies</subject><subject>Delivery, Obstetric - statistics & numerical data</subject><subject>Denmark</subject><subject>Diseases of mother, fetus and pregnancy</subject><subject>Female</subject><subject>Gynecology. Andrology. Obstetrics</subject><subject>Humans</subject><subject>Infant, Low Birth Weight</subject><subject>Infant, Newborn</subject><subject>Maternal Age</subject><subject>Medical sciences</subject><subject>Neonatal outcome</subject><subject>Pregnancy</subject><subject>Pregnancy Outcome</subject><subject>Pregnancy. Fetus. Placenta</subject><subject>Primipara</subject><subject>Risk Assessment</subject><issn>0020-7292</issn><issn>1879-3479</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkMFu1DAQhi0EokvhEUA-IASHgMdx4rgXVFXQFlUqEnC2JvZENcrGwU5A-_Zkm1XbG5zm8v3zz3yMvQTxHgTUH74JIUWhpZFvjXknBDRQyEdsA402Ram0ecw2d8gRe5bzT7FQGuApOwKhQTegNuzrKR_jOPc4hTgULWby3MWbmCaep9nveOx4G9J0w3HwfKA44IQ9j_Pk4pZ4GHjsPSU-prANIyZ8zp502Gd6cZjH7MfnT9_PLoqr6_PLs9OrwikFZeFajZX3HirtKxSlqQEVibYSIKSkiqgsm0ZgLaVG1KrTkupKg_O1aVCY8pi9WfeOKf6aKU92G7KjvsflyDlbLYxuVCMXsFpBl2LOiTq7vxXTzoKwe5X2VqXde7LG2FuVdp97dSiY2y35B6nV3QK8PgCYHfZdwsGFfM_JWhmlF-xkxf6Ennb_V24vv5xfA5RL-OMapkXl70DJZhdocORDIjdZH8M_3vgL086gKQ</recordid><startdate>200002</startdate><enddate>200002</enddate><creator>Yuan, W</creator><creator>Steffensen, F.H</creator><creator>Nielsen, G.L</creator><creator>Møller, M</creator><creator>Olsen, J</creator><creator>Sørensen, H.T</creator><general>Elsevier Ireland Ltd</general><general>Elsevier Science</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></search><sort><creationdate>200002</creationdate><title>A population-based cohort study of birth and neonatal outcome in older primipara</title><author>Yuan, W ; Steffensen, F.H ; Nielsen, G.L ; Møller, M ; Olsen, J ; Sørensen, H.T</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4413-cb7a5ddd157d5a03961a4e0b501022e5ee33880a6227aa74f72e6571cd698a093</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Adult</topic><topic>Advanced maternal age</topic><topic>Age Factors</topic><topic>Biological and medical sciences</topic><topic>Cesarean Section - statistics & numerical data</topic><topic>Cohort Studies</topic><topic>Delivery, Obstetric - statistics & numerical data</topic><topic>Denmark</topic><topic>Diseases of mother, fetus and pregnancy</topic><topic>Female</topic><topic>Gynecology. Andrology. Obstetrics</topic><topic>Humans</topic><topic>Infant, Low Birth Weight</topic><topic>Infant, Newborn</topic><topic>Maternal Age</topic><topic>Medical sciences</topic><topic>Neonatal outcome</topic><topic>Pregnancy</topic><topic>Pregnancy Outcome</topic><topic>Pregnancy. Fetus. Placenta</topic><topic>Primipara</topic><topic>Risk Assessment</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yuan, W</creatorcontrib><creatorcontrib>Steffensen, F.H</creatorcontrib><creatorcontrib>Nielsen, G.L</creatorcontrib><creatorcontrib>Møller, M</creatorcontrib><creatorcontrib>Olsen, J</creatorcontrib><creatorcontrib>Sørensen, H.T</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><jtitle>International journal of gynecology and obstetrics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yuan, W</au><au>Steffensen, F.H</au><au>Nielsen, G.L</au><au>Møller, M</au><au>Olsen, J</au><au>Sørensen, H.T</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A population-based cohort study of birth and neonatal outcome in older primipara</atitle><jtitle>International journal of gynecology and obstetrics</jtitle><addtitle>Int J Gynaecol Obstet</addtitle><date>2000-02</date><risdate>2000</risdate><volume>68</volume><issue>2</issue><spage>113</spage><epage>118</epage><pages>113-118</pages><issn>0020-7292</issn><eissn>1879-3479</eissn><coden>IJGOAL</coden><abstract>Objectives: To examine the risk of adverse birth outcome in older primiparous women.
Methods: We identified 14
676 primiparae of 20 years of age or more from 1991 to 1996 using the Birth Registry in the North Jutland County, Denmark. We evaluated the risk of adverse birth outcome in the primiparous women aged 30–34 years and above 35 years using the primiparae aged 20–29 years at time of birth as reference.
Results: The risks of induced labor, perineotomy, stimulating contraction and vacuum extraction were significantly higher (adjusted odds ratio: 1.3 to 1.7) in the primiparae of 35 years or more. The odds ratio for cesarean section delivery was 2.1 (95% confidence interval: 1.7–2.6) and the odds ratio for delivering a low birth weight child among the primiparae of 35 years or more was 2.2 (95% confidence interval: 1.4–3.3) compared with the primiparae of 20–29 years of age. These risk estimates were independent of women's infertility treatment history.
Conclusions: A negative effect of maternal age on birth and neonatal outcome may be seen even after 30 years of age and is partly related to chronic diseases. However, it is impossible to rule out selection bias, but the actual risk must be taken into consideration in antenatal care.</abstract><cop>Shannon</cop><pub>Elsevier Ireland Ltd</pub><pmid>10717814</pmid><doi>10.1016/S0020-7292(99)00181-2</doi><tpages>6</tpages></addata></record> |
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| ispartof | International journal of gynecology and obstetrics, 2000-02, Vol.68 (2), p.113-118 |
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| source | MEDLINE; Wiley Online Library Journals Frontfile Complete; Elsevier ScienceDirect Journals |
| subjects | Adult Advanced maternal age Age Factors Biological and medical sciences Cesarean Section - statistics & numerical data Cohort Studies Delivery, Obstetric - statistics & numerical data Denmark Diseases of mother, fetus and pregnancy Female Gynecology. Andrology. Obstetrics Humans Infant, Low Birth Weight Infant, Newborn Maternal Age Medical sciences Neonatal outcome Pregnancy Pregnancy Outcome Pregnancy. Fetus. Placenta Primipara Risk Assessment |
| title | A population-based cohort study of birth and neonatal outcome in older primipara |
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