Normal menstruation typically occurs every 28 days ±7 days. Cycles with intervals longer than 35 days describe a state of oligomenorrhea. Menorrhagia is defined as prolonged or heavy cyclic menstruation. Objectively, menses lasting longer than 7 days or exceeding 80 mL of blood loss. Metrorrhagia describes intermenstrual bleeding. Hypomenorrhea there is diminished flow or shortening