HydroxyprogesteronesProgestinsPregnancy, Twin17-alpha-HydroxyprogesteronePregnancy, TripletPremature BirthAdrenal Hyperplasia, Congenital17-alpha-HydroxypregnenoloneGestonorone CaproatePregnancyCaproatesSteroid 21-HydroxylaseCortodoxoneAndrostenedionePregnanetriolPregnanesDehydroepiandrosteroneHyperandrogenism17-KetosteroidsFluoxymesteroneAdrenocortical HyperfunctionHirsutismProgesterone CongenersUterine Cervical IncompetenceNafarelinPapio cynocephalusClitorisHydrocortisoneAdrenocorticotropic HormoneProgesteroneSteroid 17-alpha-HydroxylaseEstradiol AntagonistsTestosteronePregnenolonePolycystic Ovary SyndromeDehydroepiandrosterone SulfateAndrogensCosyntropinPentanoic AcidsAdrenal GlandsGestational AgePuberty, PrecociousCervical Length Measurement