My mate and cousin had thrush no end of times while pregnant and your symtoms do sound like thrush
Most likely it a yeast infection which is commom in pregnancy. The doctor will probably tell yhu to get monistat 7 and no sex until it goes away : )
Thrush!! Go to the docs they will give you a peseme and cream :)
It might be a yeast infection, I would check with your Dr, that's a peek of bring pregger good luck.....lol..