Symptom Checker
A missed or late period means menstrual bleeding does not start when expected. Periods can be irregular for several years after menstruation begins.
Pregnancy, stress, illness, weight changes, intense exercise, hormonal conditions and some medicines can delay or stop periods.
The AAP guide below explains what can be normal, when testing may be useful and when to schedule an evaluation.
Contact your pediatrician or another healthcare professional if:
Call 911 or get emergency care if:
Be seen today.
Every office keeps same-day appointments for illness and injury.
This evening or at the weekend.
Most offices run After Hours Care, by appointment rather than walk-in.
If you are worried, call. We would rather answer a question that turns out to be nothing.