Cerclage compared with no treatment
Meta-analysis of the RCTs that have compared cervical cerclage
against no treatment has shown a significant reduction in preterm
births of 20% (average RR 0.80, 95% CI 0.69–0.95) and with a
reduction in perinatal deaths although this difference did not
quite reach statistical significance (RR 0.78; 95% CI 0.61–1.00)
(13). However, cerclage was associated with higher rates of fever,
vaginal discharge, and vaginal bleeding, together with a signifi-
cant increase in delivery by Cesarean section (RR 1.19, 95% CI
1.01–1.40).
Cerclage compared with no treatmentMeta-analysis of the RCTs that have compared cervical cerclageagainst no treatment has shown a significant reduction in pretermbirths of 20% (average RR 0.80, 95% CI 0.69–0.95) and with areduction in perinatal deaths although this difference did notquite reach statistical significance (RR 0.78; 95% CI 0.61–1.00)(13). However, cerclage was associated with higher rates of fever,vaginal discharge, and vaginal bleeding, together with a signifi-cant increase in delivery by Cesarean section (RR 1.19, 95% CI1.01–1.40).
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