Excessive menstrual bleeding occurs most often prior to menopause, with no underlying pathology present just response to erratic hormone production. In younger women menorrhagia can be caused by a range of problems, necessitating skilled diagnosis. Such causes include fibroids, polyps, blood-clotting problems or tumours. Gynaecologic disorders related to menorrhagia include iron deficiency anemia, dysmenorrhea, endometriosis, and premenstrual syndrome.
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In Chinese medicine, excessive menstual bleeding indicates heat in the blood or deficient qi.