Strategies to prevent preterm birth.

Front Immunol · 2014 · PMC4237124 · PMID 25477878

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did not quite reach statistical significanceno p-value reported

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 ).

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