PHYSIOLOGY OF MENSTRUTION ::
Definition ::
A cyclic phase of the flow of blood with sheds of endometrium etc from the uterus of a woman at monthly intervals is called menstruation
It occurs on an average of 28 days interval and lasts for about 4days It starts from the age of puberty and the cycle continues till menopause it is therefore absent upto 12-14 years of age (childhood ) and again stops after 45-50 years of life in old age (menopause ) Menstrual cycle also stops during pregnancy and for a few months following childbirth
Composition::
Menstrual flow consists of blood mucus endometrial strips WBC and unfertilised ovum It clots soon after discharge
Phases of Menstrual cycle ::
The cyclic changes during menstrual cycle can be divided into four phases (1) Menstrual phase (2) Proliferative phase (3) Ovulation (4) Secretive phase
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