Abstract Title:

Induction of labor in a contemporary obstetric cohort.

Abstract Source:

Am J Obstet Gynecol. 2012 Jun ;206(6):486.e1-9. Epub 2012 Mar 23. PMID: 22520652

Abstract Author(s):

S Katherine Laughon, Jun Zhang, Jagteshwar Grewal, Rajeshwari Sundaram, Julie Beaver, Uma M Reddy

Article Affiliation:

Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD.


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.

Study Type : Review

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