All About Mittelschmerz
Reviewed: Dr. Gromatzky
5. Causes
Although the exact cause is unclear, some experts have proposed that the pain may be due to the stretching of the surface of the ovary before ovulation, resulting in pain. Since the follicles develop on both sides, this theory helps to explain abdominal pain that occurs on both sides. Others postulate that during ovulation, blood or fluid is released from the follicle that has ruptured causing irritation to the abdominal lining.
Some even say that the rupture of the ovary itself to release the egg can be causing the pain. Another possible cause would be the contraction of the uterus and tubes during ovulation causing the pain. These contractions occur due to the increased level of a type of prostaglandin.
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