Factors leading to the removal of the intrauterine implant Gynefix.

Objective: The objective of this study was to determine the incidence of expulsion of the Gynefix intrauterine implant, to analyze the variables associated with the above and to examine the efficacy of this intrauterine contraceptive model in users at the Municipal Family Planning Center-SERGAS in A Coruña, Spain.

Methods: A prospective observational study was performed on all women (n = 358) who had a Gynefix implant inserted from March 1998 to September 2000.

Results: The accumulated incidence of implant expulsion was 6.