American College of Obstetrics and Gynecology
Channa E. Schmeink, MD, Leon F. Massuger, MD, PhD, Charlotte H. Lenselink, MD, PhD, Wim G. Quint, PhD, Willem J. Melchers, PhD, and Ruud L. Bekkers, MD, PhD
OBJECTIVE: To estimate the effect of the menstrual cycle
and oral contraceptive pill (OCP) use on the prevalence,
incidence, and persistence of human papillomavirus.