What could it be??..someone help me!!

Amani β€’ First time/Soon to be mom 3-16-17πŸ€πŸ‘ΆπŸΎ
I had sex the other night and we didn't use any protection at all. So today as I was about to wash I smell in Oder down there, I think it's a side effect from sex because I bath every day  some times twice a day and I just had a check up about 3 weeks ago...what could be wrong?