Question

what is menstruation

Answer 1

Menstruation, also known as a period or monthly, is the regular discharge of blood and mucosal tissue from the inner lining of the uterus through the vagina. The first period usually begins between twelve and fifteen years of age, a point in time known as menarche

Answer 2

If oocytes is not fertilized within 24 hours ,corpus luteum becomes inactive and transforms into corpus albicans Due to this secretion of estrogen and progesterone stopped completely . tissue of degeneration endometrium and unfertillized ovum are discarded out through vagina .this is accompanied with continues Bleeding. Bleeding continues approximately four or five days is called as menstruations