Premature Rupture of Mambrane and Unfavourable Cervix

Cervix; Insufficient Dilatation in Labor

The paucity of published data concerning the issue of mechanical labor induction in the setting of Term PROM has led us to undertake the present clinical trial. This study is designed to compare the efficacy and safety of the standard Oxytocin induction protocol with the double-balloon catheter device with concurrent oxytocin administration in patients with Term PROM and unfavorable cervical conditions.

This will be a prospective randomised trial. Two hundred pregnant women with term PROM and an unfavourable cervix (Bishop Score ≤ 4) are expected to be entered into the study (see statistical analysis below). All eligible women will be presented with the study protocol by a study coordinator. Women interested in participating will read and sign the informed consent. Subsequently, the following screening medical procedures will be completed: medical and gynecological history, physical and vaginal examination, ultrasonography to: (i) Confirm fetal vertex presentation, (ii) Exclude placenta previa and (iii) Assess cervical length and posterior cervical angle. (iv) Asses bio-physical profile score A non-stress test will be performed in order to monitor: 1. The fetal heart pattern for the presence or absence of decelerations and 2. The presence of uterine contractions. All women will undergo a pelvic examination by a staff member to obtain an initial Bishop score. If the patient will be determined eligible for study entry, and following the informed consent, randomisation into the following groups will take place: GROUP 1: Oxytocin infusion alone (Standard Protocol). GROUP 2: insertion of the double balloon device and concurrent oxytocin administration. GROUP 3: Expectant management

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