Fig. 5From: What is the safest mode of delivery for extremely preterm cephalic/non-cephalic twin pairs? A systematic review and meta-analysesRespiratory distress syndrome in a systematic review/meta-analyses on the safest mode of delivery for extremely preterm cephalic/non-cephalic twin pairs. IV – inverse variance; CI – confidence interval; I2 - heterogeneity. Respiratory distress syndrome at 250–276 weeks’ gestation by mode of deliveryBack to article page