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Prophylactic cerclage in pregnancy. Effect in women with a history of conization
H Zeisler1, E A Joura, D Bancher-Todesca
1Department of Gynecology and Obstetrics, University of Vienna, Vienna General Hospital, Austria.
Objective:
To evaluate the effect of prophylactic cerclage on the course of pregnancy in women with prior conization.
Study Design:
In a retrospective, observational study, the outcome of pregnancies in 69 women with (n = 30) and without (n = 39) cerclage who previously underwent conization was evaluated regarding hospitalization due to threatened preterm labor and delivery before 37 weeks of gestation.
Results:
The occurrence of preterm delivery was 23.3% in the cerclage group and 20.5% in the control group (P = .78). Women with prophylactic cerclage were hospitalized significantly more often due to threatened premature labor: with cerclage, 66.7%; without cerclage, 33.3% (P = .006).
Conclusion:
Prophylactic cerclage should be used more sparingly in women with a history of conization because it does not prevent premature delivery and tends to induce preterm uterine contractions.