| Mifepristone-induced abortion and placental complications in subsequent pregnancy. | |
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MedLine Citation:
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PMID: 19054774 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: The aim of the study was to explore the effect of first-trimester mifepristone-induced abortion (MA) on placental complications in subsequent pregnancy. METHODS: Two cohorts of nulliparous pregnant women were recruited in China during early pregnancy, one with a history of one MA and the other with no abortion (NA). Women were followed up until delivery. RESULTS: The incidence proportions of abruptio placenta, placenta previa, placenta accreta and retained placenta in the MA group (4673) and NA group (4690) were, respectively, 0.5 and 0.3, 0.8 and 0.9, 0.5 and 0.5, and 0.7 and 0.8% (all differences non-significant). After adjustment for center, age, education, occupation, residence, income, BMI and type of delivery, the incidence rates of placenta previa, accreta and retained placenta in the MA and NA groups showed no significant differences. The risk of abruptio placenta in women with a MA was nearly double that of women with no abortion, although this apparent increased risk was not statistically significant. Furthermore, this increased risk of abruptio placenta was found only in those with a gestational age >6 weeks at abortion (aOR: 2.46; 95% CI: 1.00-6.04), a curettage after abortion (aOR: 3.00; 95% CI: 1.25-7.20) or a longer inter-pregnancy interval (P-value for trend: 0.022). CONCLUSIONS: Mifepristone-induced abortion itself is not associated with placental complications in subsequent pregnancy, but other factors related to medical abortion-such as a gestational age >6 weeks at abortion, a curettage after abortion, and a longer interpregnancy interval-may increase the risk of abruptio placenta. |
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Authors:
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Qian-Xi Zhu; Er-Sheng Gao; Ai-Min Chen; Lin Luo; Yi-Min Cheng; Wei Yuan |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2008-12-03 |
Journal Detail:
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Title: Human reproduction (Oxford, England) Volume: 24 ISSN: 1460-2350 ISO Abbreviation: Hum. Reprod. Publication Date: 2009 Feb |
Date Detail:
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Created Date: 2009-01-16 Completed Date: 2009-04-15 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8701199 Medline TA: Hum Reprod Country: England |
Other Details:
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Languages: eng Pagination: 315-9 Citation Subset: IM |
Affiliation:
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Department of Reproductive Epidemiology and Social Science, National Population and Family Planning Key Laboratory of Contraceptive Drugs and Devices, Shanghai Institute of Planned Parenthood Research, Shanghai 200032, China. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Abortifacient Agents, Steroidal
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adverse effects* Abortion, Induced / adverse effects* Cohort Studies Female Humans Incidence Mifepristone / adverse effects* Placenta Diseases / epidemiology, etiology* Pregnancy Risk Factors |
| Chemical | |
Reg. No./Substance:
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0/Abortifacient Agents, Steroidal; 84371-65-3/Mifepristone |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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