Anyone else have this problem?

Olivia • Mommy to Isabella❤️👑
So I'm 9 weeks pregnant, with my first, and my SO and me have a lot of sex, I let him cum in me, and I'm starting to notice this horrible smell it causes, first i thought it was just me, but then I noticed i only "smell" down there after he cums, and that HIS cum is making my vag smell, 😒 i think maybe I should tell him to stop cumming in me cause the smell it causes is gross! Is it normal ? I feel like I have to shower almost every time after we have sex cause the smell is unbearable, always having to put a new pair of undies after everytime we have sex, and just causing me to do more laundry often,  an this week I stopped giving him blowjobs because his dick smells, and makes me gag.. Could he have a std or something? Please help ladies, He never used to smell this bad before? Maybe it's just affecting me now cause I'm pregnant and always nauseous