Comparison of Intrauterine Device Insertion-Related Pain and Ease of Procedure at Different Times During Menstruation.

Objective: Fear of pain during the copper intrauterine device (Cu-IUD) insertion may lead patients to reject this highly effective birth control method. The aim of this study was to investigate the pain scores associated with IUD insertion and the ease of procedure at different times during menstruation.

Method: In this prospective cohort trial, eligible women received IUD at three-time segments of menstruation: Group I, at 0.