Need help ASAP!! What should I do

I know this might not be possible because I had unprotected sex on the second day of my period but why is it that the day after I worked out I start geting car sick when I lay on my stomach I feel super uncomfortable and I usally sleep on my stomach even when im on my side I get uncomfortable im really bloated and my stomach feels hard everytime I pick up sumthin I get like a little of pain and also when my husband cums I feel like throwing up or even think of it makes me feel sick what can I do to stop this ???? Help anyone