Arabin cervical pessary with vaginal progesterone versus vaginal progesterone for preventing preterm delivery

Yaakov Melcer, Michal Kovo, Ron Maymon, Jacob Bar, Ifat Wiener, Ortal Neeman, Marina Pekar-Zlotin, Ariel Zimerman

Research output: Contribution to journalArticlepeer-review

Abstract

Purpose: To compare the rate of preterm delivery in pregnant women with a short cervical length managed with Arabin cervical pessary and vaginal progesterone versus vaginal progesterone alone. Methods: This was a retrospective cohort study of singletons pregnancies managed in two tertiary medical centers between September 2011 and May 2017. One center utilized the combined treatment of Arabin cervical pessary and vaginal progesterone (study group) and the second utilized vaginal progesterone approach (control group). Results: During the study period, a total of 202 pregnant women who underwent vaginal ultrasonography between 15 and 29 weeks gestation. They all had short cervical length (≤25 mm). Among them, 94 (46.5%) and 108 (53.5%) patients were in the study and control group, respectively. A significantly higher rate of patients in the study group had either a history of cervical incompetence (9.6 vs. 0.9%, respectively, p = 0.006) or cervical surgery (7.9 vs. 0%, respectively, p =.003). Despite having shorter cervical length at recruitment (14.3 ± 5.9 vs. 16.9 ± 5.7, respectively, p =.002) the rate of spontaneous delivery < 34-week gestation was lower in the study group (7.4 vs. 17.6%, respectively, p =.036) and they delivered 1-week later compared to the control group (37.2 ± 2.1 vs. 36.2 ± 3.7, respectively, p = 0.02). Conclusion: We found that for pregnant women with singletons and who had a short cervical length, the combined treatment of Arabin cervical pessary and vaginal progesterone had lower rate of preterm delivery < 34 weeks of gestation and prolonged gestation compared to those women who were treated with vaginal progesterone alone. Our preliminary findings warrant randomized control studies in order to further illuminate our results.

Original languageEnglish
Pages (from-to)3439-3444
Number of pages6
JournalJournal of Maternal-Fetal and Neonatal Medicine
Volume33
Issue number20
DOIs
StatePublished - 17 Oct 2020

Keywords

  • Cervical pessary
  • preterm birth
  • progesterone
  • short cervical length
  • transvaginal ultrasound

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