Second‐Trimester Placental Location and Postpartum Hemorrhage
Objectives The purpose of this study was to assess whether low placentation in the second trimester is an independent risk factor for postpartum hemorrhage. Methods A retrospective cohort study of women undergoing transvaginal sonography between 18 weeks' and 23 weeks 6 days' gestation was...
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| Veröffentlicht in: | Journal of ultrasound in medicine 2013-04, Vol.32 (4), p.631-636 |
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| creator | Osmundson, Sarah S. Wong, Amy E. Gerber, Susan E. |
| description | Objectives
The purpose of this study was to assess whether low placentation in the second trimester is an independent risk factor for postpartum hemorrhage.
Methods
A retrospective cohort study of women undergoing transvaginal sonography between 18 weeks' and 23 weeks 6 days' gestation was conducted. Patients were subdivided into three groups: low‐lying placenta (0.1–2.5 cm), marginal previa (touching but not overlapping the os), and complete previa (covering the os). Low placentation was used as a descriptive for all cases (low‐lying placenta, marginal previa, and complete previa) in this study. A group of randomly identified control patients with normal placentation was selected for comparison.
Results
During the period of study, 410 women with low placentation were identified. Compared to controls, patients with second‐trimester low placentation had increased rates of postpartum hemorrhage and uterotonic use. These increased risks persisted even among women in whom the low placentation resolved (odds ratio, 2.72; 95% confidence interval, 1.46–5.07; odds ratio, 2.18; 95% confidence interval, 1.24–3.84).
Conclusions
Women with a second‐trimester diagnosis of low placentation are at increased risk of postpartum hemorrhage. |
| doi_str_mv | 10.7863/jum.2013.32.4.631 |
| format | Article |
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The purpose of this study was to assess whether low placentation in the second trimester is an independent risk factor for postpartum hemorrhage.
Methods
A retrospective cohort study of women undergoing transvaginal sonography between 18 weeks' and 23 weeks 6 days' gestation was conducted. Patients were subdivided into three groups: low‐lying placenta (0.1–2.5 cm), marginal previa (touching but not overlapping the os), and complete previa (covering the os). Low placentation was used as a descriptive for all cases (low‐lying placenta, marginal previa, and complete previa) in this study. A group of randomly identified control patients with normal placentation was selected for comparison.
Results
During the period of study, 410 women with low placentation were identified. Compared to controls, patients with second‐trimester low placentation had increased rates of postpartum hemorrhage and uterotonic use. These increased risks persisted even among women in whom the low placentation resolved (odds ratio, 2.72; 95% confidence interval, 1.46–5.07; odds ratio, 2.18; 95% confidence interval, 1.24–3.84).
Conclusions
Women with a second‐trimester diagnosis of low placentation are at increased risk of postpartum hemorrhage.</description><identifier>ISSN: 0278-4297</identifier><identifier>EISSN: 1550-9613</identifier><identifier>DOI: 10.7863/jum.2013.32.4.631</identifier><identifier>PMID: 23525388</identifier><language>eng</language><publisher>England: American Institute of Ultrasound in Medicine</publisher><subject>Adult ; Female ; Humans ; Logistic Models ; low-lying placenta ; Placenta Previa - epidemiology ; Placentation - physiology ; postpartum hemorrhage ; Postpartum Hemorrhage - epidemiology ; Postpartum Hemorrhage - physiopathology ; Pregnancy ; Pregnancy Outcome ; Pregnancy Trimester, Second - physiology ; previa ; resolution ; Risk Factors</subject><ispartof>Journal of ultrasound in medicine, 2013-04, Vol.32 (4), p.631-636</ispartof><rights>2016 by the American Institute of Ultrasound in Medicine</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3871-b9421ffdaff666aaae996c98cf27a8c012892a498dd14c7a4cf10cb68ec27d863</citedby><cites>FETCH-LOGICAL-c3871-b9421ffdaff666aaae996c98cf27a8c012892a498dd14c7a4cf10cb68ec27d863</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.7863%2Fjum.2013.32.4.631$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.7863%2Fjum.2013.32.4.631$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27903,27904,45553,45554</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/23525388$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Osmundson, Sarah S.</creatorcontrib><creatorcontrib>Wong, Amy E.</creatorcontrib><creatorcontrib>Gerber, Susan E.</creatorcontrib><title>Second‐Trimester Placental Location and Postpartum Hemorrhage</title><title>Journal of ultrasound in medicine</title><addtitle>J Ultrasound Med</addtitle><description>Objectives
The purpose of this study was to assess whether low placentation in the second trimester is an independent risk factor for postpartum hemorrhage.
Methods
A retrospective cohort study of women undergoing transvaginal sonography between 18 weeks' and 23 weeks 6 days' gestation was conducted. Patients were subdivided into three groups: low‐lying placenta (0.1–2.5 cm), marginal previa (touching but not overlapping the os), and complete previa (covering the os). Low placentation was used as a descriptive for all cases (low‐lying placenta, marginal previa, and complete previa) in this study. A group of randomly identified control patients with normal placentation was selected for comparison.
Results
During the period of study, 410 women with low placentation were identified. Compared to controls, patients with second‐trimester low placentation had increased rates of postpartum hemorrhage and uterotonic use. These increased risks persisted even among women in whom the low placentation resolved (odds ratio, 2.72; 95% confidence interval, 1.46–5.07; odds ratio, 2.18; 95% confidence interval, 1.24–3.84).
Conclusions
Women with a second‐trimester diagnosis of low placentation are at increased risk of postpartum hemorrhage.</description><subject>Adult</subject><subject>Female</subject><subject>Humans</subject><subject>Logistic Models</subject><subject>low-lying placenta</subject><subject>Placenta Previa - epidemiology</subject><subject>Placentation - physiology</subject><subject>postpartum hemorrhage</subject><subject>Postpartum Hemorrhage - epidemiology</subject><subject>Postpartum Hemorrhage - physiopathology</subject><subject>Pregnancy</subject><subject>Pregnancy Outcome</subject><subject>Pregnancy Trimester, Second - physiology</subject><subject>previa</subject><subject>resolution</subject><subject>Risk Factors</subject><issn>0278-4297</issn><issn>1550-9613</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkMtKAzEUhoMotlYfwI3M0s2MuU2SAUGkqFUqFmzXIc0kOmUuNZlBuvMRfEafxAytbrs6cPjOz_k_AM4RTLhg5GrVVQmGiCQEJzRhBB2AIUpTGGcMkUMwhJiLmOKMD8CJ9ysIA8zpMRhgkuKUCDEEN69GN3X-8_U9d0VlfGtcNCuVNnWrymjaaNUWTR2pOo9mjW_XyrVdFU1M1Tj3rt7MKTiyqvTmbDdHYHF_Nx9P4unLw-P4dhprIjiKlxnFyNpcWcsYU0qZLGM6E9piroSGCIsMK5qJPEdUc0W1RVAvmTAa8zx0HYHLbe7aNR9d-FNWhdemLFVtms7LUBsxglmotRclKPjhgsKAoi2qXeO9M1augwXlNhJB2SuWQbHsFUuCJZVBcbi52MV3y8rk_xd_TgNwvQU-i9Js9ifKp8VzvyCY9vm_rpuKfA</recordid><startdate>201304</startdate><enddate>201304</enddate><creator>Osmundson, Sarah S.</creator><creator>Wong, Amy E.</creator><creator>Gerber, Susan E.</creator><general>American Institute of Ultrasound in Medicine</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><scope>7QO</scope><scope>8FD</scope><scope>FR3</scope><scope>P64</scope></search><sort><creationdate>201304</creationdate><title>Second‐Trimester Placental Location and Postpartum Hemorrhage</title><author>Osmundson, Sarah S. ; Wong, Amy E. ; Gerber, Susan E.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3871-b9421ffdaff666aaae996c98cf27a8c012892a498dd14c7a4cf10cb68ec27d863</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Adult</topic><topic>Female</topic><topic>Humans</topic><topic>Logistic Models</topic><topic>low-lying placenta</topic><topic>Placenta Previa - epidemiology</topic><topic>Placentation - physiology</topic><topic>postpartum hemorrhage</topic><topic>Postpartum Hemorrhage - epidemiology</topic><topic>Postpartum Hemorrhage - physiopathology</topic><topic>Pregnancy</topic><topic>Pregnancy Outcome</topic><topic>Pregnancy Trimester, Second - physiology</topic><topic>previa</topic><topic>resolution</topic><topic>Risk Factors</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Osmundson, Sarah S.</creatorcontrib><creatorcontrib>Wong, Amy E.</creatorcontrib><creatorcontrib>Gerber, Susan E.</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><collection>Biotechnology Research Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Journal of ultrasound in medicine</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Osmundson, Sarah S.</au><au>Wong, Amy E.</au><au>Gerber, Susan E.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Second‐Trimester Placental Location and Postpartum Hemorrhage</atitle><jtitle>Journal of ultrasound in medicine</jtitle><addtitle>J Ultrasound Med</addtitle><date>2013-04</date><risdate>2013</risdate><volume>32</volume><issue>4</issue><spage>631</spage><epage>636</epage><pages>631-636</pages><issn>0278-4297</issn><eissn>1550-9613</eissn><abstract>Objectives
The purpose of this study was to assess whether low placentation in the second trimester is an independent risk factor for postpartum hemorrhage.
Methods
A retrospective cohort study of women undergoing transvaginal sonography between 18 weeks' and 23 weeks 6 days' gestation was conducted. Patients were subdivided into three groups: low‐lying placenta (0.1–2.5 cm), marginal previa (touching but not overlapping the os), and complete previa (covering the os). Low placentation was used as a descriptive for all cases (low‐lying placenta, marginal previa, and complete previa) in this study. A group of randomly identified control patients with normal placentation was selected for comparison.
Results
During the period of study, 410 women with low placentation were identified. Compared to controls, patients with second‐trimester low placentation had increased rates of postpartum hemorrhage and uterotonic use. These increased risks persisted even among women in whom the low placentation resolved (odds ratio, 2.72; 95% confidence interval, 1.46–5.07; odds ratio, 2.18; 95% confidence interval, 1.24–3.84).
Conclusions
Women with a second‐trimester diagnosis of low placentation are at increased risk of postpartum hemorrhage.</abstract><cop>England</cop><pub>American Institute of Ultrasound in Medicine</pub><pmid>23525388</pmid><doi>10.7863/jum.2013.32.4.631</doi><tpages>6</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0278-4297 |
| ispartof | Journal of ultrasound in medicine, 2013-04, Vol.32 (4), p.631-636 |
| issn | 0278-4297 1550-9613 |
| language | eng |
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| source | MEDLINE; Wiley Online Library Journals Frontfile Complete |
| subjects | Adult Female Humans Logistic Models low-lying placenta Placenta Previa - epidemiology Placentation - physiology postpartum hemorrhage Postpartum Hemorrhage - epidemiology Postpartum Hemorrhage - physiopathology Pregnancy Pregnancy Outcome Pregnancy Trimester, Second - physiology previa resolution Risk Factors |
| title | Second‐Trimester Placental Location and Postpartum Hemorrhage |
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