One year study of Implanon on the adverse events and discontinuation
Chaovisitsaree, S.; Piyamongkol, W.; Pongsatha, S.; Morakote, N.; Noium, S.; Soonthornlimsiri, N.
Journal of the Medical Association of Thailand 88(3): 314-317
2005
ISSN/ISBN: 0125-2208 PMID: 15962637 Document Number: 2400
Objective: To determine adverse events and discontinuation of Implanon in healthy Thai women between 16 and 45 years of age.Design: Prospective descriptive study,Setting: Family Planning Unit, Department of Obstetrics and Gynecology, Faculty of Medicine, Chiang Mai University.Subjects: Ninety-two female volunteers with eligible criteria, no contraindication for hormonal contraceptive and wished to have long term contraception were recruitedMain outcome measures: Determination of adverse events was done three months after Implanon insertion. Discontinuation of Implanon use was reviewed during the study period of one yearResults: Amenorrhea (40.2%) and infrequent bleeding (39.1%) were the most menstrual adverse events. While most non-menstrual adverse events were headache/dizziness (27.2%) and lower abdominal pain (23.9%). Severe non-menstrual side effect was rare (1-2%). Seven subjects (7.6%) discontinued using Implanon during the one year period of study.Conclusion: Implanon demonstrated a high continue rate at the first year of insertion. It produced similar adverse events like other progestin-only contraceptives. Counseling before insertion is important for increased client satisfaction and a higher continuation rate.
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