The Ovulation Cycle
While the normal menstrual cycle in the human typically lasts 4 weeks (28 days, range 21-35 days) and consists of a follicular phase, ovulation, and a luteal phase, followed by either menstruation or pregnancy , the anovulatory cycle has cycle lengths of varying degrees.
The anovulatory cycle is a menstrual cycle characterized by varying degrees of menstrual intervals and the absence of ovulation and a luteal phase. One out of every five couples experiences difficulty in conceiving a child. Medical assistance is often necessary to ensure conception.
The finely tuned interaction of female sex hormones has a key role in the development and maintenance of the female genital organs and is an essential requirement for fertility.