Comparing Implants

Characteristic Jadelle Implanon Sino-Implant (II) Norplant
Type of progestin Levonorgestrel. Etonogestrel. Levonorgestrel. Levonorgestrel.
Number 2 rods. 1 rod. 2 rods. 6 capsules.
Lifespan Up to 5 years. 3 years. 4 years, may be extended to 5. Up to 7 years.
Effectiveness and Client's Weight (see also Implants, Question 9) 80 kg or more: Becomes less effective after 4 years of use. Weight has no known impact on effectiveness. 80 kg or more: Becomes less effective after 4 years of use. 80 kg or more: Becomes less effective after 4 years of use.

70–79 kg: Becomes less effective after 5 years of use.
Availability Expected to replace Norplant by 2011. Primarily available in Europe, Asia, and Africa. Also approved for use in United States. Primarily available in Asia and Africa. Being phased out of use (see Implants, Question 11).
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