Weird Questions.

So I'm new to the whole sex and TTC so this is a weird question for me but is it bad that the smell of my southern region has changed? like I've never noticed it had a smell or it's never become alarming for me until the other day after my SO and I had sex and it was 3am so I didn't immidiately shower I waited until the next morning, but I woke up and I could smell a fishy oder and became alarmed but then went and took my shower and still after my shower I could still smell that fishy oder so I washed our sheets and comforter that didn't help it was still me so I took yet another shower, and I can't get rid of its and it's now been a week? is this normal or should I consult my Dr?