Science, asked by ravgun85, 10 months ago

when menstruation occurs?

Answers

Answered by Anonymous
2

Answer:

regular discharge of blood and mucosal tissue (known as menses) 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.

Answered by X666
1

Answer:

regular discharge of blood and mucosal tissue (known as menses) 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

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