Mittelschmerz is one-sided, lower abdominal pain that occurs in women at or around the time of an egg is released from the ovaries (ovulation).
Ovulation pain; Midcycle pain
About 20% of women experience mittelschmerz, or pain associated with ovulation. The pain may occur just before, during, or after ovulation.
There are several explanations for the cause of this pain. Just prior to ovulation, follicle growth...Read more
Source: ADAM Encyclopedia
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