title: Measurement of serum LH, FSH, progesterone, 17-hydroxy-progesterone and estradiol-17beta levels at 4-hour intervals during the periovulatory phase of the menstrual cycle.
mesh_terms: D004958:Estradiol / Q000097:blood*; D005260:Female; D005640:Follicle Stimulating Hormone / Q000097:blood*; D006801:Humans; D006908:Hydroxyprogesterones / Q000097:blood*; D007986:Luteinizing Hormone / Q000097:blood*; D008598:Menstruation; D010060:Ovulation; D011374:Progesterone / Q000097:blood*; D013997:Time Factors
chemical_list: D006908:Hydroxyprogesterones; D011374:Progesterone; D004958:Estradiol; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone