BSIP, LAURENT / SCIENCE PHOTO LIBRARY BSIP, LAURENT / SCIENCE PHOTO LIBRARY
POSED BY MODEL. Menstrual pain. Adolescent girl holding her abdomen in pain caused by menstrual cramps. At the time of a period, pain may occur due to the strong uterine contractions which expel the menstrual discharge. Pain may also occur at ovulation, when an egg is released.
Model release not available. Property release not required.