Transvaginal Sonographic Measurement of Cervical Length Versus Bishop Score in Induction of Labour for Prediction of Caesarean Delivery.

Inclusion Criteria: * 1\. Age (18-35) years. 2. Singleton pregnancy. 3. (37-42) weeks gestation. 4. Living fetus. 5. Cephalic presentation. 6. Absence of active labour. 7. No contraindication to vaginal delivery. 8. Average amount of clear liquor. 9. No history of uterine scar (myomectomy or previous C.S(. Exclusion Criteria: * 1\. Malpresentation. 2. Major fetal congenital anomalies as hydrocephalous \& dead fetus. 3. Patient received any pre induction ripping methods for example: (Acetic Acid-Prostaglandins). 4\. Any medical history contraindicating vaginal delivery. 5. Assessment meconium staining to liquor or any evidence of chorioamnionitis. 6. Previous uterine surgery. 7. Multiple gestations. 8. Women with allergy to prostaglandins.