• Tal Rafaeli-Yehudai, Roy Kessous, Barak Aricha-Tamir, Eyal Sheiner, Offer Erez, Michai Meirovitz, Moshe Mazor, and Adi Y Weintraub.
• Department of Obstetrics and Gynecology, Soroka University Medical Center , Beer-Sheva , Israel.
• J. Matern. Fetal. Neonatal. Med. 2014 Oct 1; 27 (15): 1594-7.

ObjectivesTo determine the effect of cervical cerclage on obstetrical complications and perinatal outcomes of patients following conization.DesignA retrospective population based cohort study.SettingTertiary academic medical center that covers all the deliveries of the region.PopulationAll patients with previous cervical conization who delivered between the years 1994-2011.MethodsA retrospective population based study.Main Outcome MeasuresThe effect of cerclage placement on the rate of preterm birth.ResultsDuring the study period there were 109 deliveries of patients following a cervical conization. Cervical cerclage was placed in 22 deliveries that served as the study group and the rest (n = 87) served as the comparison group. The rate of early preterm delivery (PTD;  <34 weeks) was significantly higher in women who had a cerclage. In a logistic regression model, cerclage was found to be an independent risk factor for early PTD.ConclusionCerclage is an independent risk factor for early PTD In patients who had a conization due to CIN.

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