title: Prediction and detection of ovulation: a comparison of direct and indirect methods.
mesh_terms: D000328:Adult; D004958:Estradiol / Q000097:blood; D005260:Female; D005640:Follicle Stimulating Hormone / Q000097:blood; D006801:Humans; D007986:Luteinizing Hormone / Q000097:blood; D010061:Ovulation Detection / Q000379:methods*; D014463:Ultrasonography; D014626:Vaginal Smears
chemical_list: D004958:Estradiol; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone