This prospective cohort study aims to determine whether maternal and neonatal outcomes are affected by GBS carrier status in women undergoing transcervical balloon catheter insertion.

Inclusion Criteria:

• During the study period and in the absence of contraindications, women anticipating induction of labor with unripe cervix will be screened for eligibility.
• Inclusion criteria are singleton gestation with confirmed cephalic presentation
• Gestational age between 37+0/7 and 41+6/7 weeks'
• Intact membranes
• Reactive non-stress test and Bishop's score < 6.

Exclusion Criteria:

• Women less than 18 years, with multiple gestation pregnancies, pregnancies with major fetal anomalies, vaginal infection, intrauterine fetal death and those who were not candidates for vaginal delivery (placenta previa, non-cephalic presentation, planned cesarean delivery).

The data of the mother and the baby will be checked and recorded. At the end of the study, all the data are gonna be analyzed. In case of a severe bad outcome, the data will be checked during the study to make sure that the study is not the cause.