A comparison of induction of labor success rates over three time periods in 20 years at a single academic tertiary care center: are we improving vaginal delivery rates?

Objective: To compare the rates of successful induction of labor during three one-year periods over 20 years at a single institution.

Methods: All women at 37 weeks or beyond with a living, singleton, cephalic fetus admitted for induction of labor in 1992, 2002, and 2012 were included. The use of induction agents and rates of successful vaginal delivery were compared.