Question

How do start their mensuration happen ​

Answer 1

Explanation:

Mensuration means the distance between two objects, places, etc..

Well I think you asking Menstruation:)

Answer 2

Answer:

༺Ans͢͢͢wer༻

Your periods will start when your body is ready. This is usually between age 8 and 17, or 2 years after your first signs of puberty. Possible reasons for delayed periods include being underweight, doing lots of exercise (including dance, gymnastics and athletics), stress and a hormone imbalance.