Tuesday I had intercourse with my boyfriend he came inside me and the next day I was just tired I kept going with my day today is Thursday and I'm tired but my boobs are sore and a bit itchy? Like i don't wanna scratch them to not irritate them but I'm new to all of this is it a bit to early for all of this to happen? Like how do I know if im positive or not? Im just confused and I need help if I'm expecting this is all new to me so I don't know what's happening.. please help me