Table 3.

Menorrhagia Differentials

Menorrhagia – menstruation at regular cyclical interval with excessive flow and duration; clinically, blood loss is in excess of 80 ml per cycle; or menses lasts longer than 7 days8 Metrorrhagia – intermenstrual bleeding occurring at any time between menstrual periods17p1355 Hypomenorrhea – (cryptomenorrhea)-unusually light menstrual flow, sometimes only spotting, or a deficient amount of menstrual flow17p1052 Menometrorrhagia – bleeding that occurs at irregular intervals or bleeding during and between menstrual periods in which amount and duration of bleeding may also vary17p1339 Polymenorrhea – menstrual periods occurring with abnormal frequency17p1726 Oligomenorrhea – periods that occur more than 35 days apart or scanty or infrequent menstrual flow17p1516 Dysfunctional menses – abnormal uterine bleeding without any obvious structural or systemic abnormality8,19