Contraceptive efficacy and side effects of Implanon®

Abstract

Objective To determine the efficacy and side effects of Implanon® used for long-term contraception.

Material and method Prospective study of 80 patients who used Implanon® for long-term contraception between January 2004 and January 2006. Side effects, efficacy and removals were recorded.

Results Amenorrhoea, infrequent bleeding and frequent bleeding were reported by 33 (41.25%), 19 (23.75%) and 14 patients (17.5%), respectively. Non-menstrual side effects comprised breast tenderness in 15 patients (18.75%), acne in eight (10%), headache and dizziness in three (3.75%); depressive mood disorders, pelvic pain and loss of libido were mentioned each by two of the women (2.5%). During the study period, Implanon® was removed from 20 participants. No problem was encountered during its placement or removal.

Conclusion Patients considering use of Implanon® must be carefully selected and informed about its expected side effects before placement.

Key words:

• Implanon®
• Long-term contraception
• Side effects
• Discontinuation