Find the perfect Menstruation stock photos and editorial news pictures from Getty Images. Download female feel hurt and apain on period. Close Up Of Pad. A period is a release of blood from a girl's uterus, out through her vagina. It is a sign that Most girls get their first period when they're around But getting it. All women occasionally notice underwear stains of various shades of white. . Between periods, women can notice vaginal discharge, which changes in color.