Understanding Your Menstrual Cycle

FunQz
No. 1 /5
What is the average length of a menstrual cycle?
No. 2 /5
What is the first day of the menstrual cycle?
No. 3 /5
What hormone is primarily responsible for the regulation of the menstrual cycle?
No. 4 /5
What phase follows menstruation in the menstrual cycle?
No. 5 /5