TTC #1 , sperm giving me fishy odor

Zatia
Ok guys I really need your help on this one! Me and my husband been TTC since May with no baby yet. My problem is after we do the do and he do his thing in me about two days later, I get a fishy odor. The semen throw my ph balance off and I have to keep taking medication to regulate it. Can anyone help me please, please, please respond