Female menstrual cycle normally comprises a 28 to 30-day cycle, which contains 2 phases, the proliferative phase, and the secretory phase. At the end of the cycle, the uterine lining starts shedding off which is a normal phenomenon of female menstruation.
The absence of menstruation during the female during the reproductive ages of approximately 12 to 49 years is known as amenorrhea.
Copyright © 2024, StatPearls Publishing LLC.