Symptoms of BV or trichomoniasis?

I’ve been itching down there, and I’ve also had a lot of discharge. For a few days, I thought it was a yeast infection because there were some discharge specks.. but today I wore a pantyliner and have yellow-ish discharge. I looked at my vagina, and the discharge doesn’t seem extremely yellow—more like white-ish yellow. I don’t seem to have a strong odor, but I have been having some off and on pelvic cramps :( can someone please help ???