1.

What is menstrual cycle? When does it begin? What happens during this period?

Answer»

Menstrual cycle: 

1. The cycle of changes takes place in the female reproductive system is called menstrual cycle. It occurs once in 28 to 30 days. 

2. It is termed as “menarche”. 

3. The first menstrual cycle begins at around 10-12 years of age and lasts till the age of 45 – 50 years.



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