Haas, David M.;
Quinney, Sara K.;
Clay, Jayanti M.;
Renbarger, Jamie L.;
Hebert, Mary F.;
Clark, Shannon;
Umans, Jason G.;
Caritis, Steve N.;
for the Obstetric-Fetal Pharmacology Research Units Network:
Costantine, Maged M.;
Lai, Yinglei;
Bloom, Steven L.;
Spong, Catherine Y.;
Varner, Michael W.;
Rouse, Dwight J.;
Ramin, Susan M.;
Caritis, Steve N.;
Peaceman, Alan M.;
Sorokin, Yoram;
Sciscione, Anthony;
Mercer, Brian M.;
Thorp, John M.;
Malone, Fergal D.;
Harper, Margaret;
Iams, Jay D.;
for the National Institute of Child Health and Human Development Maternal–Fetal Medicine Units Network: