I think im prego but i got my pthis is for the women out there who have had their period while being pregnant:?

i am hoping you could help!!!!? ok me and my bf had unprotected four times in january and he finished in me all 4times...the thing id=s that i started felling dizzy and nausios and tired and my hutrt through the whole month and still do...but than i got my normally flow period on the 30th and i know its kinda nasty ut me and my bf had during my period bit every time he d in me it would hurt so bad to the point that i cried. it felt like he was poking something inside and it got me and him worried so if you can . . .please help me