Question

what is menstruation? when it starts and what are the signs of menstruation and what does it indicate and what should. be done to prevent it

Answer 1

the process of the flow of blood from the lining of the womb of a female of class Mammalia is called menstruation. it is called period. it indicates sexual maturity of the organism or its puberty period. it can be prevented by using sanitary napkins.
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