Question

How often do girls normally experience menstruation a.once every 30 days b. once every 29 c.once every 28 d.once every 27

Answer 1

Answer:

Once every 28 days

Explanation:

I am not 100% sure because i am not female but i do remember that in my health class it said it was once every 28 days

Answer 2

Answer:

i think answer is a, every 30 days