title: Hormonal background of lactational infertility.
mesh_terms: D000328:Adult; D000568:Amenorrhea / Q000097:blood*; D001903:Bottle Feeding; D001942:Breast Feeding; D005260:Female; D005640:Follicle Stimulating Hormone / Q000097:blood; D012739:Gonadal Steroid Hormones / Q000097:blood*; D006801:Humans; D007986:Luteinizing Hormone / Q000097:blood; D049590:Postpartum Period / Q000097:blood*; D011247:Pregnancy
chemical_list: D012739:Gonadal Steroid Hormones; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone