Document Detail

Risk factors for spontaneous preterm delivery before 34 weeks of gestation among Taiwanese women.
MedLine Citation:
PMID:  18182344     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To identify the risk factors for spontaneous preterm delivery before 34 weeks of gestation among Taiwanese women. MATERIALS AND METHODS: This retrospective cohort study involved 36,453 Taiwanese women who delivered between July 1990 and December 2003. Pregnancies complicated by multiple gestation, fetal anomalies, and iatrogenic preterm births due to maternal or fetal indications were excluded. RESULTS: Five hundred and five spontaneous preterm deliveries (1.4%) were identified. Risk factors for early preterm delivery included a prior preterm delivery (odds ratio [OR], 16.5; 95% confidence interval [CI], 11.1-24.6), placental abruption (OR, 13.4; 95% CI, 9.4-19.2), history of fetal demise (OR, 11.8; 95% CI, 7.7-18.0), chorioamnionitis (OR, 10.5; 95% CI, 7.4-14.9), oligohydramnios (OR, 10.1; 95% CI, 6.7-15.3), history of abruption (OR, 7.9; 95% CI, 2.4-26.0), unmarried (OR, 6.2; 95% CI, 2.9-13.2), conception by reproductive technology (OR, 2.7; 95% CI, 1.4-5.5), maternal age less than 20 years (OR, 3.5; 95% CI, 1.8-6.7), maternal age greater than 34 years (OR, 1.6; 95% CI, 1.2-2.1), three or more abortions (OR, 1.6; 95% CI, 1.9-2.3), and premature rupture of membranes (OR, 1.6; 95% CI, 1.3-2.0). CONCLUSION: Some of the risk factors for early preterm delivery among Taiwanese women were the same as those of other ethnic groups, whereas some of the other risk factors were different.
Chung-Chin Lo; Jenn-Jeih Hsu; Ching-Chang Hsieh; T'sang-T'ang Hsieh; Tai-Ho Hung
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Taiwanese journal of obstetrics & gynecology     Volume:  46     ISSN:  1875-6263     ISO Abbreviation:  -     Publication Date:  2007 Dec 
Date Detail:
Created Date:  2008-01-09     Completed Date:  2008-02-04     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101213819     Medline TA:  Taiwan J Obstet Gynecol     Country:  China    
Other Details:
Languages:  eng     Pagination:  389-94     Citation Subset:  IM    
Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Taipei, Taiwan.
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MeSH Terms
Age Factors
Cohort Studies
Pregnancy, High-Risk
Premature Birth / epidemiology,  ethnology*
Reproductive History*
Retrospective Studies
Risk Factors

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