PHIL JUDE / SCIENCE PHOTO LIBRARY PHIL JUDE / SCIENCE PHOTO LIBRARY
Menstrual pain. A woman's hands are seen holding her lower abdomen, while suffering painful cramps of the menstrual cycle. Lower abdominal and pelvic pain may occur before or during a menstrual period. This pain at the time of menstruation is known as dysmenorrhea. During menstruation, strong uterine contractions cause the menstrual dis- charge to be expelled. At ovulation, pain in the abdomen may also be felt when an egg is forcibly expelled from an ovary.
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