PHIL JUDE / SCIENCE PHOTO LIBRARY PHIL JUDE / SCIENCE PHOTO LIBRARY
Menstrual pain. Silhouette of a nude woman in side view, her hands held to her lower abdomen while she suffers 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 discharge 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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