Thesis (M.Sc.) - Cairo University - Faculty of Medicine - Department of Gynaecology and Obstetrics

Induction of labor is a widely used intervention on the modern labor. The Bishop score, since its description in 1964, remains the gold standard for assessing favorability for induction of labor. However, the preinduction {u2018}favorability{u2019} of the cervix as assessed by the Bishop score is very subjective and several studies have demonstrated a poor predictive value for the outcome of induction especially in women with a low Bishop score. The aim of this study : was to evaluate The effectiveness of ultrasound assessment of Foetal Head-Perineum Distance prior to induction of labour as a predictor of successful vaginal delivery. Patients and Methods: In our study 130 women 37-41 weeks pregnancy underwent induction of labor. Before induction a digital examination of the cervix was performed & the Bishop score noted. Foetal Head-Perineum Distancewas measured by a transpernial ultrasound. Results &conclusion : a statistically significant positive correlation between Foetal Head-Perineum Distance measured by ultrasound and successful induction and probability of C.S

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