Step 4: Read and complete the decision guide to learn more about your symptoms.
Missed or Irregular Menstrual Periods
Most teenage girls start their period before their 16th birthday. But for some it may not come until later. If you are otherwise feeling fine, most likely your body needs a little more time to grow and develop.
To learn more, you may wish to visit our Decision Guide for women who Never Started Menstrual Periods.
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