期刊
AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY
卷 206, 期 6, 页码 -出版社
MOSBY-ELSEVIER
DOI: 10.1016/j.ajog.2012.03.014
关键词
indication for induction; induction and cesarean; labor induction; method of induction
资金
- Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health [HHSN267200603425C]
OBJECTIVE: We sought to describe details of labor induction, including precursors and methods, and associated vaginal delivery rates. STUDY DESIGN: This was a retrospective cohort study of 208,695 electronic medical records from 19 hospitals across the United States, 2002 through 2008. RESULTS: Induction occurred in 42.9% of nulliparas and 31.8% of multiparas and elective or no recorded indication for induction at term occurred in 35.5% and 44.1%, respectively. Elective induction at term in multiparas was highly successful (vaginal delivery 97%) compared to nulliparas (76.2%). For all precursors, cesarean delivery was more common in nulliparas in the latent compared to active phase of labor. Regardless of method, vaginal delivery rates were higher with a ripe vs unripe cervix, particularly for multiparas (86.6-100%). CONCLUSION: Induction of labor was a common obstetric intervention. Selecting appropriate candidates and waiting longer for labor to progress into the active phase would make an impact on decreasing the national cesarean delivery rate.
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