Inclusion Criteria:  Alive fetus Singletons Cephalic presentation Intact membranes Gestational age ≥ 38 weeks and 5 days  Exclusion Criteria:  Fetal malformations Symptomatic uterine contractions Contraindication for vaginal delivery Medical indication of induction of labor or elective cesarean delivery Maternal desire to induce labor Maternal negative to enrollment Language barrier Inability to give consent  Specific Exclusion Criteria for Pregnolia System (if any of these criteria is present, the measurement of cervical stiffness using Pregnolia aspiration device will not be performed):  Müllerian anomalies with two cervices Severe vaginal bleeding Cervical dilatation Known HIV Visible, symptomatic cervical or vaginal infections  If one of the following conditions is present on the cervix at the 12 o'clock position:  Nabothian cyst Cervical myomas Cervical condylomas Squamous intraepithelial lesion Conization/LEEP2/LLETZ3 Cervical endometriosis Cervical tears Cervical dysplasia Large ectopy, for which it is not possible to find a suitable location near the ectopy where native tissue is present Large scar tissue, for which it is not possible to find a suitable location near the scar where native tissue is present.