sex question.. need help pleaseeee!?

[Lauren R]

iv been having sex with my boyfreind and im on birth control so i let him cum inside of me and it hurts my stomach.. i heard about getting your stomach pumped or something if you have too much cum or something im really worried.. also i bleed every now and then.. is that normal.. please help me and dont freek me out im already worried. also my vagina hurts alot after sex.. like burns or stings it feels very akward and when i pee alot i know its not an STD or anything just worried and dont know if this is normal. and if the stomach pumping thing is true then how much would it take.. and how do you know when you have to do it.. and is there any other way to go about the situation.. im just really confuse pleeeeeease help me.. thank you