title: Ovulation symptoms and avoidance of conception.
mesh_terms: D001831:Body Temperature; D003267:Contraception; D004967:Estrogens / Q000652:urine; D005260:Female; D006801:Humans; D007986:Luteinizing Hormone / Q000097:blood; D010060:Ovulation; D011276:Pregnanediol / Q000652:urine
chemical_list: D004967:Estrogens; D007986:Luteinizing Hormone; D011276:Pregnanediol