Inclusion Criteria:  being nulliparous having singleton fetus not having diabetes and or hypertension not having an intrauterine infection body mass index <35 kg/m2 not having any placental insertion anomalies not having Mullerian anomalies active phase of labor is not started. no previous uterine surgeries  Exclusion Criteria:  being multiparous having multiple pregnancies having diabetes and or hypertension having an intrauterine infection body mass index >=35 kg/m2 having any placental insertion anomalies having Mullerian anomalies in active phase of labor having previous uterine surgeries