Obstet Gynecol
Tita ATN, Doherty L, Grobman WA, Reddy UM, Silver RM, Mallett G, Rice MM, El-Sayed YY, Wapner RJ, Rouse DJ, Saade GR, Thorp JM Jr, Chauhan SP, Costantine MM, Chien EK, Casey BM, Srinivas SK, Swamy GK, Simhan HN, Macones GA, Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) Maternal-Fetal Medicine Units (MFMU) Network.
doi: 10.1097/AOG.0000000000004230