it is called a hymen and it is not dislodged upon intercourse. if present the hymen may tear/rupture resulting in some bleeding or it can simply stretch and not bleed at all. many virginal women do not have detectable hymens since this delicate tissue can be torn or accidentally ruptured as a child from straddle injuries sports activities or using tampons after the onset of menses.
what is the medical term for a girls "cherry" that is dislodged upon intercourse?