Inclusion Criteria:  Single pregnancy greater than 37 weeks Pregnant women between the ages of 18-40 Volunteer  Exclusion Criteria:  Clinical diagnosis of Gestational diabetes Clinical diagnosis of Gestational hypertension Clinical diagnosis of preeclampsia Clinical diagnosis of Placenta previa, Clinical diagnosis of abruptio placenta Conditions that cause excessive distention of the uterus (multiple pregnancies, severe polyhydramnios, fetal macrosomia, large fibroids displacing the cavity) Thrombophilia disorders, anticoagulation therapy History of major abdominal surgery