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

Aim of the work: To assess the Impact of Antepartum Transabdominal ultrasound assessment of fetal head position to maternal and fetal outcome in induction of labour in primigravida. Design: Prospective Cross-sectional study. Setting: Kasr Al Aini Maternity Hospital Material and methods: This study included 150 full term primigravida who underwent induction of labour with singleton vertex presentation where previous uterine scar; obstetric or medical complication with pregnancy were excluded. All parturient subjected to history taking, vaginal examination and Intrapartum Ultrasound. They are observed for maternal and neonatal outcome. Result: The Successful induction group number was 118 (78.7 %) of study cases (NVD = 116 (77.4%) and AVD = 2 (1.3 %) and the failed induction group number was 32 (21.3%). There was a significant statistical difference between both successful and failed group as regard Occiputespine angle.it was narrower in failed group. There was a significant statistical difference between both successful and failed group as regard head positions by US. Transverse and anterior were more frequent in successful group while posterior was more frequent in failed group. In this study Occiputespine angle had significant moderate Diagnostic performance in prediction of failed induction. Conclusion: In women undergoing induction of labour, prediction of outcome can be provided by determining sonographically the occipital position and the occipitespinal angle which enable the clinician to provide precise information to the mothers, and accordingly, plan further management of the pregnancy

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