Understanding local patterns of opportunistic uptake of cervical cancer screening provides
important baseline information for an efficient transition to organized screening. The
objectives of this study were to estimate the prevalence of cervical cytology use at different
intervals and to quantify its associated factors in an urban Portuguese population under no
organized cervical cancer screening. As part of the first follow-up evaluation of a cohort of
adult dwellers from Porto, 1032 women were evaluated between 2005 and 2008. Lifetime …