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What is a Chocolate Cyst: A chocolate cyst, also known as endometrioma, is a type of ovarian cyst. In this, tissue similar to the lining of the uterus starts growing on the ovary. This tissue thickens and bleeds during periods, causing a thick chocolate-like substance to accumulate inside the ovary. That is why it is called a chocolate cyst.

Causes of chocolate cysts

  • Spread of endometrial tissue: A piece of the uterine lining reaches the ovaries through the fallopian tubes and starts growing there.
  • Blood flow: During menstruation, blood enters the ovaries and gets trapped there, forming a chalky substance.
  • Immune system problems: In some women, the immune system is unable to destroy this extra tissue.

Symptoms of Chocolate Cyst

  • Severe pain is the most common symptom during periods. The pain can be so severe that it affects daily activities.
  • Periods may become irregular or very heavy.
  • Stomach pain can occur other than periods.
  • You may feel pain during intercourse.
  • There may be pain while urinating.
  • There may be a problem of constipation.
  • You may feel swelling in the stomach.
  • You may feel tired and weak.

This problem can occur if it is not treated

  • Ovarian rupture: The cyst may rupture, causing severe pain and internal bleeding.
  • Infertility: Chocolate cysts can cause infertility.
  • Endometriosis: Chocolate cysts can be a symptom of endometriosis, a serious condition in which the lining of the uterus spreads to other parts of the body.