ALAIN DEX, PUBLIPHOTO DIFFUSION / SCIENCE PHOTO LIBRARY ALAIN DEX, PUBLIPHOTO DIFFUSION / SCIENCE PHOTO LIBRARY
Menstrual pain. Front view of a woman's torso, her hands holding her lower abdomen while suffering painful cramps of the menstrual cycle. The region of pain is lit with red light. Lower abdominal and pelvic pain may occur before or during a menstrual period. 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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