Symptomatic and Asymptomatic Cervical Infections with Human Papillomavirus During Pregnancy

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Abstract
The prevalence of human papillomavirus (HPV) infection of the cervix was determined in an un selected population of pregnant women presenting to an inner-city Obstetrics Clinic inthe first trimester. Cervical scrape specimens were screened for the presence of HPV types 6, 11, 16, 18, and 31 DNA by using three different blot hybridization methods. Specimens from 26 (11.1%) of 234 patients contained HPV DNA sequences. HPV-16 and -31 were detected in six specimens each, whereas HPV-6, -11, and -18 were each identified in three specimens. Five additional specimens contained HPV DNA sequences of undetermined type. Only two of the 26 positive specimens were obtained from patients with genital warts; an additional 12 specimens were from patients with cytological abnormalities. We conclude that cervical HPV infections in some pregnant populations are common and that many such infections are not clinically apparent.