A healthy 30-year-old woman has a screening pap smear which…
A healthy 30-year-old woman has a screening pap smear which shows low grade squamous intraepithelial lesion (LSIL). Subsequent cervical biopsy confirms the presence of cervical intraepithelial neoplasia (CIN) 1. Which of the following risk factors is most likely related to her pap smear findings?