Sonographic assessment of lower uterine segment thickness preoperative vs. intraoperative assessment in women with previous cesarean

Objectives; In this study we compared transabdominal ultrasound to transvaginal determine which one of them is most accurate in measuring the LUS. Methods; a prospective observational on 100 pregnant at term women with history previous CS visited Maternity Teaching Hospital between period Jan 2020 Sep 2020. Results; total ( age range 20-42 years), more than half were primiparous and majority no miscarriage, mean LUS was 4 mm standard deviation 1.09 abdominal ultra sound 3.4 1.14 3.45mm 1.2 intraoperative before delivering head baby (p < 0.001). Conclusion; Trans vaginal lower uterine segment.