Ovulation is the release of eggs from the ovaries. In humans, this event occurs when the ovarian follicles rupture and release the secondary oocyte ovarian cells. In addition, the uterine lining endometrium is thickened to be able to receive a fertilized egg. If no conception occurs, the uterine lining as well as blood will be shed during menstruation. In humans , ovulation occurs about midway through the menstrual cycle , after the follicular phase.
Ultrasound monitoring of ovarian follicular growth during spontaneous cycles in Nigerian women.
How Ovarian and Antral Follicles Relate to Fertility
Follicular monitoring or follicular study is a vital component of in-vitro fertilization IVF assessment and timing. It basically employs a simple technique for assessing ovarian follicles at regular intervals and documenting the pathway to ovulation. Journey to ovulation begins during late luteal phase of prior menstrual cycle, when certain mm sized healthy follicles form a population, from which dominant follicles is to be selected for next cycle This process is called 'recruitment '. Usual number of such follicles may be , which goes on decreasing with advancing age 1.
All About the Follicular Phase of the Menstrual Cycle
The ovaries are filled with follicles. Follicles are fluid-filled structures in which the oocyte also called egg grows to maturity. Current knowledge indicates that females are born with their entire lifetime supply of gametes. Females are not capable of making new eggs, and in fact, there is a continuous decline in the total number of eggs each month. Over the next years of a female's reproductive life, the entire egg supply will be depleted.
The monthly release of an egg from the ovary is a fascinating process. Ovulation affects your body and brain in ways you might not have imagined. First, read Ovulation to get the basics of ovulation. Only one ovulation can happen per cycle. You can, however, ovulate two or more eggs at the same time.