This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
Frothy discharge with red ulceration in the vagina is seen with infection of : 
Select and explain. 
A. Trichomoniasis, B. Moniliasis, C. Chlamydia, D. Bacterial vaginosis
A: Trichomoniasis
Answer: A: Trichomoniasis 
Explanation: Trichomoniasis