BSIP, BOUCHARLAT / SCIENCE PHOTO LIBRARY BSIP, BOUCHARLAT / SCIENCE PHOTO LIBRARY
Menstrual pain. A woman suffering from abdominal cramps that are a common symptom during part of the menstrual cycle. Lower abdominal and pelvic pain may occur before or during a period, or around the time of ovulation. At the time of a period, uterine contractions force the menstrual discharge to be expelled. At ovulation, an egg is forcibly expelled from an ovary.
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