Interaction between maternal obesity and Bishop score in predicting successful induction of labor in term, nulliparous patients.

Objective: Determine the Bishop score most predictive of induction of labor (IOL) success for different maternal weight groups.

Study Design: Retrospective cohort study. Prospectively collected database utilized to determine the optimum Bishop score within each prepregnancy body mass index (BMI) category of term, nulliparous patients undergoing IOL.