This is what a vaginal parasite actually looks like under the microscope. Yes… it really moves like that. What you’re seeing here is Trichomonas vaginalis, a sexually transmitted parasite. It’s transmitted through sexual contact and commonly causes vaginal discharge, itching, irritation, and discomfort, though many people can be asymptomatic. In this video, you can see its characteristic jerky, tumbling motility, and it’s literally dragging a red blood cell along as it moves through the urine se