A 40 yrs old woman presented to the gynecologist with complaint of profuse vaginal discharge . There was no discharge from the cervical os on the the speculum examination . The diagnosis o facterial vaginosis was made based upon all of the following findings on microscopy except
a. Abundance of gram variable coccobacilli
b.Absence of lactobacilli
c.Abundance of polymorphs
d.Presence of clue cells
ans:c.Abundance of polymorphs