The examiner usually cannot determine the number of episodes that occurred. If evidence of chronic anal abuse is present, multiple episodes of abuse occurred. Vaginal injuries do not reliably differentiate between single episodes of abuse and multiple episodes.
If the injuries are acute (redness, swelling, tenderness, fresh abrasions or tears), the examiner may reliably identify the injury as relatively recent, most likely having occurred within a few days of the examination. Dating injuries within hours or to specific days is usually not possible.