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
Which of the following genital infections is associated with preterm labour ? 
Select and explain. 
A. Human papilloma virus, B. Trichmonas vaginitis, C. Monilial vaginitis, D. Bacterial vaginosis
D: Bacterial vaginosis
Answer: D: Bacterial vaginosis 
Explanation: Bacterial vaginosis