Question

what is menstruation?and menstruation cycle? what are event which takes place in menstruation cycle? (short defination)

Answer 1

Menstruation is a process in women of discharging blood and other material from the lining of the uterus at intervals of about one month from puberty untitl menopause, except during pregnancy.

menstruation cycle is the regular natural change that occurs in female reproductive system that makes pregnancy possible. 

the event which take place are:-
* menstruation.
* the follicular phase.
* ovulation.
* the luteal phase.




hope this is helpful!

Answer 2

the whole process of ovulation thickening of the uterine lining and menstruation is called a mensuration cycle .