Foley catheter versus cervical double balloon for labor induction: a prospective randomized study

Ido Solt, Maya Frank Wolf, Shani Ben-Haroush, Svetlana Kaminskyi, Ella Ophir, Jacob Bornstein

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


Objective: Cervical ripening by mechanical methods enhances labor induction success. We compared Cervical Ripening Double Balloon catheter (CRDB) to Foley catheter. Study design: This prospective blind study randomized 85 nulliparas and 95 multiparas to labor induction by either Foley catheter or CRDB. Primary outcomes were Bishop score increment, time from catheter withdrawal to delivery, and cesarean section rate. Results: In multiparas, mean Bishop score increment between pre- and post-catheter was significantly higher in the CRDB catheter than in the Foley group (4.4 ± 1.9 and 3.4 ± 2.0, respectively, p =.02). Mean interval from catheter withdrawal to delivery was shorter in the CRDB catheter (14.6 ± 12.3 and 8.6 ± 5.4) than in the Foley catheter group (22.6 ± 27.2 and 13.9 ± 17.7), in both nulliparas and multiparas (p =.05 and p =.03, respectively). In nulliparas, no statistically significant differences were found in mean Bishop score increment between the two catheters, but cesarean section rate was higher in the Foley group than the CRDB group (46.5% and 20%, respectively, p =.02). Conclusion: Bishop score increment by CRDB catheter is more effective than induction by Foley catheter in multiparas. CRDB catheter is associated with decreased time to delivery in both nulliparas and multiparas and a lower cesarean section rate in nulliparas. Identifier: NCT00501033.

Original languageEnglish
Pages (from-to)1034-1041
Number of pages8
JournalJournal of Maternal-Fetal and Neonatal Medicine
Issue number7
StatePublished - Apr 2021

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  • Cervical ripening
  • Foley catheter
  • cervical ripening double balloon
  • cesarean section rate
  • labor induction


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