Implanon: subdermal single rod contraceptive implant

J Obstet Gynaecol India. 2011 Aug;61(4):422-5. doi: 10.1007/s13224-011-0066-z. Epub 2011 Sep 28.

Abstract

Objectives: Study was conducted to determine acceptability, efficacy, safety, return of fertility with Implanon.

Methods: Volunteers having regular menstruation, requiring spacing formed study population. Implanon was inserted within 5 days of LMP or concurrent with MTP. Woman was asked to record bleeding pattern, side effects. Implanon duration was 3 years but Implanon was removed before, if patient wanted pregnancy/for side effects. Subjects who did not adopt family planning method after removal were followed up for return of ovulation and pregnancy.

Results: 200 subjects were enrolled (160 within 5 days of LMP, 40 concurrent with MTP). 74 implanon removals were done. (16 after tenure completion, 58 for other reasons.) 16% cases discontinued implanon for polymenorrhagia, 10% for irregular bleeding, 4.5% for amenorrhea. There was no failure of implanon. 40% had return of ovulation within one month, 95.8% conceived within 12 months.

Conclusions: Implanon is safe, effective, well accepted method of contraception.

Keywords: Contraceptive; Etonogestrel; Implanon.