about a week ago i was diagnosed with a yeast infetion and was treated. 2 weeks after I took the medication, my partner and I had sexual intercourse and he complained that he felt like he was "hitting something" when we were having sex, as if something was inside my vagina. I also felt some swelling in the vaginal opening, that I did not discover until immediately after we had sex. I was very embarrassed! What could it be??