Contraceptive efficacy and side effects of Implanon.

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.