Question

what is menstruation .....................;;;;;;;?

Answer 1

Every month the lining of the uterus thickens in order to recieve the fertilised egg.In case egg doesn't get fertilised, it sheds off and causes vaginal bleeding in woman in every 28-29 days.This is called menstruation.

Answer 2

the process in an woman of discharged blood and other materials from the lining of uters at an intravel of a about one time of month from puberty up to pregnancy. is called menstruation