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
In normal pregnancy character of vagina is: 
Select and explain. 
A. |ed pH, B. |ed number of lactobacilli, C. |ed Glycogen content, D. |ed number of pathogenic bacteria
B: |ed number of lactobacilli
Answer: B: |ed number of lactobacilli 
Explanation: Lactobacillus acidophilus is increased in pregnancy. Ref: Textbook of Obstetrics By Dutta, 6th Edition, Page 47 ; Williams Gynaecology, 2nd Edition, Page 172