Your pattern will usually stay the same once your periods get regular after about 6 to 12 months. By continuing your visit to our site, you accept these cookies on your computer. The average is around 12 years old. Healthwise, Incorporated disclaims any warranty or liability for your use of this information. This is called puberty. Do you always have mood swings when you have your period?

This could be because women remained childless due to ovarian problems that then lead to early menopause, but it's not clear from this study. Not everyone has all these symptoms, and some girls do not have any. Inherited diseases, such as Turner syndrome. If doing a lot of exercise is thought to be the cause, you may be advised to do less and, if you're underweight, to increase your calorie intake. Dr Kate says "Welcome to the sisterhood! How much blood is normal?

When a pregnancy doesn't occur in a menstrual cycle, hormones signal her body to shed the baby-ready uterine lining, which is what happens during a period. A lot of girls were concerned about having accidents and getting blood on their clothes, sheets of a friend's bed, etc. A period is a release of blood from a girl's uterus , out through her vagina. You may also experience hot flashes, sleep issues, vaginal dryness, urinary issues and emotional changes. Talking to your daughter about periods — is it time for a rethink? If the amenorrhea is caused by a tumor in the brain: Medicines may shrink certain types of tumors.

Dr Kate says "Welcome to the sisterhood! By subscribing you agree to the Terms of Use and Privacy Policy. This is just the blood and tissue that your body has prepared in the uterus for a possible baby to 'nest' in. It may look like a lot of blood, but a girl usually only loses a few tablespoons of blood during the whole period. Question: I am worried because I have very little blood loss during my period and it only lasts for 2 days. But getting it any time between age 10 and 15 is OK.