A clear guide to how long periods can last, why early periods can vary, and when long bleeding needs support.
Quick answer
A period often lasts a few days. Some are shorter and some are longer. When periods first start, timing can be a bit unpredictable.
Why are early periods unpredictable?
Your body is still learning its rhythm. In the first months or years after periods start, some cycles may be irregular and some periods may be lighter or heavier than others.
How can I track it?
You can write down:
- the day bleeding starts
- the day bleeding stops
- whether flow is light, medium or heavy
- pain, leaks or symptoms that worry you
When should I ask for help?
Tell a trusted adult or healthcare professional if bleeding lasts longer than a week again and again, bleeding is very heavy, you feel faint or unwell, or your period stops you doing normal things.
Ask Luma
You could ask: “How long should a period last?” or “How do I track my period?”
Final reassurance
Your period may not be perfectly regular at first. Tracking can help you understand your body and explain things if you need support.