17-alpha-Hydroxyprogesterone article 8 Female 6 controlled study 6 female 6 hydroxyprogesterone 6 priority journal 6 Adrenal Hyperplasia, Congenital 4 Animals 4 Argentina 4 Humans 4 Point Mutation 4 RNA, Messenger 4 Steroid 21-Hydroxylase 4 Western blotting 4 allele 4 animal experiment 4 congenital adrenal hyperplasia 4 enzyme deficiency 4 human 4 nonhuman 4 point mutation 4 progesterone 4 reverse transcription polymerase chain reaction 4 steroid 21 monooxygenase 4 Adrenocorticotropic Hormone 2 Alleles 2 Analysis of Variance 2 Argentinean 2 Blotting, Western 2