Question

What is the period of menstruation? 
1) 1 to 5 days
2) 12 to 14 days​

Answer 1

Explanation:

The menstrual cycle is from Day 1 of bleeding to Day 1 of the next time of bleeding. Although the average cycle is 28 days, it is normal to have a cycle that is shorter or longer. Girls usually start having menstrual periods between the ages of 11 and 14.

Answer 2

Answer:

first phage is 1 to 5 days and second phase is 4 to 20 and third phase is 20 to 28