Still waiting for your first period: when to ask for help

By Hey Twin · October 7, 2026

There is no deadline based on when your friends start. But if you have not had a first period by age 15, arrange a medical appointment. If you are 13 and have no other signs of puberty, such as breast development, ask a clinician about that too.

A clothed teen sits on school courtyard steps with a small notebook on their lap and a backpack beside them. — Write down the questions you want answered. Arrange care if you have no first period by 15, or are 13 with no other puberty signs; you can ask earlier if worried.

Waiting does not mean you’ve failed at growing up

It can feel strange when conversations at school assume everyone has a period already. You do not owe anyone an update about your body. You can say “I don’t want to compare” and leave it there.

Puberty changes can offer some context, but they are not an exact countdown. Discharge or breast changes do not let a website predict a date for you.

What to do at the age checkpoints

If you have reached one of the checkpoints above, ask a trusted adult to help arrange an appointment. This is a reason to check what is happening, not a statement that something serious is definitely wrong.

You can also ask earlier if you are worried, have pain or notice other changes. You do not need to wait for a birthday to have a question taken seriously.

To arrange an appointment

I haven’t had my first period yet, and I’d like to check whether my development is on track. Can you help me book a visit?

Getting ready for that conversation

Bring any questions you want answered. A clinician may ask about growth, other puberty changes, medicines and your health, then decide whether tests are needed. You can say if you do not know the answer or want something explained more clearly.

Don’t try supplements, teas or internet tricks to make a period start. The right next step depends on the reason, which a clinician can assess.

A little preparation is enough

If it helps you feel ready, keep a small period kit in your bag. Preparing is optional, and it is not a prediction that bleeding will start tomorrow.

Where this comes from

NHS: starting periods — first-period timing and when to see a clinician

Sources checked October 7, 2026. General education, not a diagnosis or personal medical advice. These organizations have not reviewed or endorsed this guide. Tell us about a correction.