What Causes Red Sores On The Labia And Inner Vagina After A Rough Intercourse?

I had rough intercourse and immediatly started my period. During my period I experienced abnormal vaginal pain. After my period cleared I saw 3 red sores. 2 on my labia and one towards my inner vagina. Could this be an STD or an allergic reaction to the condoms or something my period caused??? pleaseeee help me asapI had rough intercourse and immediatly started my period. During my period I experienced abnormal vaginal pain. After my period cleared I saw 3 red sores. 2 on my labia and one towards my inner vagina. Could this be an STD or an allergic reaction to the condoms or something my period caused??? pleaseeee help me asap