Abbreviations: BBT, Bakri balloon tamponade; HELLP syndrome, hemolysis, elevated liver enzymes and low platelets syndrome; IUD, intrauterine death; GDM, gestational diabetes mellitus; PE, preeclampsia; PPH, postpartum hemorrhage; NICU, neonatal intensive care unit; WD, weight discordance
aSignificant after Bonferroni correction