okay so me and my boyfriend had sex on jan 31. so at first he was in me with no condom on for a bit and i know for a fact only a little pre-*** went in me, then after he grabbed a condom and finished in me with condom on(didnt break or anything). after (i believe) he went to the bathroom and took a pee. and after a while we started having sex again, but it was only for a bit (mabye 5 min) and he didnt ejacualate, what are the chances in percentage of me being pregnant and what should i do? please honest answers ONLY IF YOU KNOW WHAT YOU ARE TALKING ABOUT...