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
One of the following is the MOST common vaginal infection during pregnancy: 
Select and explain. 
A. Gonorrhea, B. Trichomoniasis, C. Bacterial vaginosis, D. Candidiasis
D: Candidiasis
Answer: D: Candidiasis 
Explanation: Most common vaginal infections during pregnancy is candidiasis. Growth of candida is oured by the high acid pH of vaginal secretions and frequent passage of sugar in the urine during pregnancy. It is more prevalent in diabetic pregnancy.