Roberto Romero, Kypros Nicolaides, Agustin Conde-Agudelo, Ann Tabor, John M O'Brien, Elcin Cetingoz, Eduardo Da Fonseca, George W Creasy, Katharina Klein, Line Rode, Priya Soma-Pillay, Shalini Fusey, Cetin Cam, Zarko Alfirevic, Sonia S Hassan
OBJECTIVE: To determine whether the use of vaginal progesterone in asymptomatic women with a sonographic short cervix (≤ 25 mm) in the midtrimester reduces the risk of preterm birth and improves neonatal morbidity and mortality. STUDY DESIGN: Individual patient data metaanalysis of randomized controlled trials. RESULTS: Five trials of high quality were included with a total of 775 women and 827 infants. Treatment with vaginal progesterone was associated with a significant reduction in the rate of preterm birth <33 weeks (relative risk [RR], 0...
February 2012: American Journal of Obstetrics and Gynecology