kay so im really really confused i had unprotected sex with my ex a few times in december, ive recently come to find out those were the days that i coulda got pregnant. i had my period on dec 26th 2010. since then ive had craps in my lower sides of my stomach and up by my belly botton, sore breasts, and their swelled so is my belly, lower back aches, i was sopsoed to start my period a few days ago but i never! and all of a sudeen im sitting here today and my nose starts bleeding a lil. im really confused :(