Della Torre M, Enakpene C, Ravangard S, DiGiovanni L, Deyo K, Whelan A, Sutherland M, Fischer J. Pharmacokinetics of 17 alpha hydroxyprogesterone caproate in singleton pregnancy and its influence of maternal body size measures. Am J Obstet Gynecol MFM. 2019 11; 1(4):100051.