Inclusion Criteria:  Pregnant woman ≥ 18 years old With a singleton cephalic pregnancy Between ≥37+0 weeks and ≤ 42+0 weeks of gestation Gestational age estimated from the first trimester ultrasound (realized between 11+0 and 13+6 weeks of gestation) With a medical indication of labor with a previous pharmacological or mechanical cervical ripening of 24 hours Bishop score ≤ 6 at inclusion (unfavorable cervix) French health insurance policy holder Written informed consent  Exclusion Criteria:  Any measures of legal protection Prior caesarean section or uterine scar Contra-indications to a vaginal delivery Foetus with suspected severe congenital abnormalities Pathological foetal heart rate Contra-indications to ANGUSTA® (oral misoprostol, cervical ripening agent) Contra-indications to PROPESS® (vaginal slow releasing system of dinoprostone, cervical ripening agent) Contra-indications to PROSTINE® (vaginal gel of dinoprostone, cervical ripening agent) Contra-indications for using oxytocin Woman in labor or with more than 3 contractions / 10 minutes