I'm six weeks pregnant and we just found out last week. We had sex twice so far since finding out, didn't think anything of it. I know the common symptoms of a yeast infection because I'm typically prone to them on occasion. I haven't had one in a really long time and I think the sex is what caused/irritated it. Has anyone else had a yeast infection while pregnant? Monostat is typically not strong enough for me and never works. I usually end up having to go to the doctor for an actual antibiotic. My first ultrasound is on the 27th, should I at least try a monostat treatment or wait it out and be uncomfortable for the next 2wks??