title: Studies on the pattern of circulating steroids in the normal menstrual cycle. 4. Periovulatory changes in relation to the LH surge.
mesh_terms: D004092:20-alpha-Dihydroprogesterone / Q000097:blood; D000328:Adult; D004958:Estradiol / Q000097:blood; D004970:Estrone / Q000097:blood; D005260:Female; D012739:Gonadal Steroid Hormones / Q000097:blood*; D006801:Humans; D006908:Hydroxyprogesterones / Q000097:blood; D007986:Luteinizing Hormone / Q000097:blood* / Q000502:physiology; D008598:Menstruation; D010060:Ovulation; D011374:Progesterone / Q000097:blood
chemical_list: D012739:Gonadal Steroid Hormones; D006908:Hydroxyprogesterones; D004092:20-alpha-Dihydroprogesterone; D004970:Estrone; D011374:Progesterone; D004958:Estradiol; D007986:Luteinizing Hormone