I hadent had no sex for about 5months, then I had sex with the father of my kids and shortly after a week my vagina area got swollen and itchy and a lot of discharge then what I did was see my vagina with a mirror and it had a huge red ball like shape, so I got worried went to the emergency and I was told I had trich. also got pills for other stds ect, came home and the father of my kids total denial is saying it is a in fection only no std and no way you can get it threw sex his pennis was dirty with dirt. I am worried and scared but I knoe deep in my heart he cheated on me . Can you please let me know if I'm right that he had to have sexual contact with a female or male that had trich. thank you