Low estrogen level in young women can be caused by:

• Genetical diseases such as the Turner syndrome (female disease that a variety of medical and developmental problems, including short height, failure of the ovaries to develop and heart defects).
• Chemotherapy or radiotherapy.
• Thyroid disorders.
• Insufficient body fat (sometimes in athletes).
• Delayed development and lack of menstruation.

 Symptoms of low estrogen levels in young women:

• Dry skin.
• Rapid heartbeat.
• Weight gain.
• Low back pain.
• Headaches.
• Depression.
• Panic attacks.
• Low self-esteem.
• Mood swings.
• Memory loss.
• Difficult concentration.
• Because of the drop of estrogen before the menstruation, women can get premenstrual headaches.
• In men:
  • Excess belly fat.
  • Low sex drive.

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