Question

what do you mean by menstruation​

Answer 1

Answer:

Menstruation, also known as a period or monthly, is the 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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Answer 2

Answer:

Mensuration means the cycle of 28 to 30 days that takes place in women abdomen...At age of between 13 to 15 this menstural cycle begins this is known as menarche...