The Obstetric Cook Double Balloon Catheter in Combination With Oral Misoprostol for Induction of Labor

The Obstetric Cook Double Balloon Catheter in Combination With Oral Misoprostol for Induction of Labor: A Double-Blinded, Randomized Controlled Trial

The current study is a randomized, controlled, double-blinded trial of Obstetric Cook Catheter combined with oral misoprostol for induction of labor in pregnant patients. The primary outcome to be studied is vaginal delivery rate for the Obstetric Cook Catheter in combination with oral placebo and the Obstetric Cook Catheter in combination with oral misoprostol. Secondary outcomes to be studied include the safety of the method, composite maternal morbidity and composite neonatal morbidity.

The hypothesis is that there is a higher vaginal delivery rate in the patient whom receive both the Obstetric Cook Catheter and the oral misoprostol.

Inclusion Criteria:

1. Single, live fetus
2. Cephalic (head-first) presentation
3. Reassuring fetal health assessment
4. Gestational age between 23 and 42 weeks
5. Maternal age 18 and above
6. Bishop score less than 8 in primigravidae
7. Bishop score less than 6 in multigravidae

Exclusion Criteria:

1. Fetal demise 2. Fetal malpresentation 3. Estimated fetal weight less than 500 grams or more than 4000 grams 4. Placenta previa 5. Non-reassuring fetal health assessment 6. Active maternal asthma exacerbation requiring additional medications from the usual medication requirements.

7. History of cesarean section 8. Rupture of amniotic membrane 9. Latex allergy 10. Spontaneous labor 11. Other contraindication to vaginal delivery 12. Allergy to misoprostol of cook catheter