Periods... when? how often? for ever?!
When do girls start having periods?
95% of girls start having their periods between the ages of 11 and 15. The others may start as young as 8 years or as old as 16 or 17. All entirely normal.
How often do periods happen?
Most girls have periods roughly every 28 to 30 days and they last a few days. But when you first start having periods, they may come less often. About one in ten women will always have rather irregular periods.
Do women have periods for ever?
Most women stop having periods when they are about 50. This is called the menopause.
Why do people stop having periods before they get old?
The most common reason for a woman to stop having periods is because she is pregnant. Other common reasons in teenage girls include:
- Losing weight because of anorexia or other eating problems.
- Taking lots and lots of exercise like running a marathon.
- Lots of travel.
- Other reasons which are not clear.
If your periods stop and you are having sexual intercourse but you do not know why your periods have stopped go and see a doctor. If you think that you are pregnant go and see your doctor. If you have not been having any sex and your periods stop for several months, it is important to go and see your doctor, who may want to do some tests.