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What is pH of vagina in pregnancy is: September 2009 and explain in detail?
Ans. B: 4- 6 Vaginal walls becomes hyperophied and more vascular.Increased blood supply of the venous plexus surrounding the walls gives the bluish colouration of the mucosa (Jacquemier's sign) Vaginal secretion becomes copious, thin and curdy white, due to marked exfoliated cells and bacteria. The pH becomes acidic (3.5-6) due to more conversion of glycogen into lactic acid by the lactobacillus.