Currently, little is known about how daily self-management of cube pessaries influences sexual function. We hypothesized that removing the cube pessary prior to sexual activity did not negatively influence the sexual function, and pessary self-care did not lead to a deterioration of sexual wellbeing. We conducted a planned secondary analysis of a prospective cohort study in which 214 patients with symptomatic pelvic organ prolapse (stage 2+) were enrolled (2015). Each patient was size fitted with a cube pessary and completed a questionnaire online or by phone ≥ 5years after her initial fitting. Changes in quality of life were measured using the Patient Global Impression of Improvement (PGI-I). Of the 143 women included in our analyses, 92 (64.3%) were sexually active during the study period. These patients (73.9%; 68 out of 92) described their sexual wellbeing as "better" or "much better" than their pretreatment status. Sexually active patients had a better quality of life as measured by the PGI-I than the sexually inactive patients. Of the sexually active patients, 91.3% (84 out of 92) described their condition as "better" or "much better" than their pretreatment status, whereas 84.3% (43 out of 51) of the sexually inactive patients reported the same improvement. Over 90% of sexually active patients reported that removal of the vaginal cube pessary before sexual activity is not disruptive. The overwhelming majority of the patients with symptomatic pelvic organ prolapse using daily self-management of cube pessaries reported that removal of the vaginal cube pessary before sexual activity is not disruptive, and its use was accompanied by improved sexual wellbeing.