Step 4: Read and complete the decision guide to learn more about your symptoms.
Missed or Irregular Menstrual Periods
We have covered the more common reasons for missed or irregular periods.
You should call your doctor's office to discuss your symptoms.
Other less likely possibilities include a cervical, vaginal or uterine infection, even if you have not noticed a vaginal discharge or fever, or a tumor in the uterus or ovary.
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