ok so my boyfriend and i were dry humping and he didn't have anything on but i still had my undies on, he didn't ejaculate or anything but he might have pre-cummed. this happened on the 16th of july which was 3 days after my period ended. today (18 july) i have found quite an amount of white discharge in my undies and i also found a very very tiny amount of dark brown black discharge. i am so so scared, could i possibly be pregnant? and do you think its a good idea to get a morning after pill?