Delayed start to periods (primary amenorrhoea)

Some people start their periods later than others, and that’s normal. If your mum or sister started their periods later, you may too. It's good to chat with them about this if you can.

A delay in starting periods isn't usually anything to worry about. If you haven’t started your period by around 16, it’s a good idea to see your doctor to find out why it hasn’t happened yet.

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Last updated:
28 September 2022