Smell from vagina next morning after sex....

Does anyone else have a weird smell coming from their vagina the next morning after having sex without a condom?? Doesn't happen to me every time but most of the time there will be an almost fishy smell when I use the bathroom for the first couple times the next day after we've had sex the night before. I'm thinking maybe it's from some of his cum that's been inside me all night that causes it. Any one else experience this?