This quiz will test your knowledge of menstruation.
1. What is the average age when a girl gets her first period?
2. Which of the following is a common early sign that a girl may start her period soon?
3. What hormone is responsible for triggering the start of a girl's menstrual cycle?
4. On average, how long does a girl's menstrual cycle last?
5. What is the medical term for the first occurrence of menstruation?