Menstrual Reproductive Disorder Symptoms & Causes

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In-Depth

What causes menstrual problems?

There are many things that can cause menstrual problems:

  • Irregular or a lack of menstrual periods could be caused by excessive exercise, stress and/or being underweight.
  • Too few menstrual periods could be caused by a mild hormone imbalance called Polycystic Ovary Syndrome (PCOS).
  • Girls with heavy and/or long menstrual periods may be anemic, meaning they have too few red blood cells or too little hemoglobin (oxygen-carrying protein in the red blood cells).

When should we contact a doctor?

Menstrual problems are common in teens. Still, early diagnosis can be helpful for treatment. It’s a good idea to contact your daughter’s health care provider for an evaluation if she:

  • has not started to develop breasts by age 13, or started her menstrual period by age 15
  • goes more than 2 months between menstrual periods
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