Levonorgestrel Concentration in a Single Rod Implant Users for Six Months

  • Eka R. Gunardi Division of Reproductive Health Department of Obstetrics and Gynecology Medical Faculty of Indonesia University/ Dr. Cipto Mangunkusumo Hospital Jakarta


Objective: This research was conducted to measure levonorgestrel serum concentration Monoplant® after six months of usage. Method: Thirty healthy women, 20 - 40 years old, and after been proven for fertility, had implants on their body. Levonorgestrel serum levels were measured monthly from the first month to the sixth month. Result: Levonorgestrel serum concentration was still above 200 pg/ml until the sixth month. First month and second month serum concentration was not recorded while data for the following months were 338.9 pg/ml, 424.8 pg/ml, 320.3 pg/ml, and 337.5 pg/ml. Conclusion: Levonorgestrel serum concentration in Monoplant® users was still above contraceptive level until six months. [Indones J Obstet Gynecol 2011; 35-3: 122-7] Keywords: single rod implant Monoplant®, levonorgestrel serum concentration


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