<prompt> Answer this question truthfullyWhat is the reason for benign squamous metaplasia of columnar cells at the cervical squamocolumnar junction?  <response>: <reason> The acidic pH in the vagina ranging from 3.8-4.5 due to the presence of lactobacilli is the reason for benign squamous metaplasia of columnar cells at the cervical squamocolumnar junction. 