Is 17α‐hydroxyprogesterone caproate contraindicated in twin gestations?

contraindicated in twin gestations? R Romero, A Conde-Agudelo Perinatology Research Branch, Program for Perinatal Research and Obstetrics, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, NIH, Bethesda, MD and Detroit, MI, USA Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, MI, USA Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, MI, USA Correspondence: R Romero, Perinatology Research Branch, NICHD, NIH, DHHS, 3990 John R, Box 4, Detroit, MI 48201, USA. Email: romeror@mail.nih.gov

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