[Dynamic changes and roles of steroid hormones in the perinatal period].
D003348:Cortisone / Q000097:blood*; D005260:Female; D005312:Fetal Blood / Q000378:metabolism; D006801:Humans; D006854:Hydrocortisone / Q000097:blood*; D007743:Labor, Obstetric / Q000097:blood; D008431:Maternal-Fetal Exchange; D011247:Pregnancy / Q000097:blood*; D011374:Progesterone / Q000097:blood*
D011374:Progesterone; D003348:Cortisone; D006854:Hydrocortisone