Couple Years of Protection13 and Conversion Factors
| Implant Brand | CYPs/Implant | CYPCF |
|---|---|---|
| Etonogestrel, 1-rod (Implanon/Implanon NXT) | 2.5 | 1/2.5 = 0.4 |
| Levonorgestrel, 2-rod (Jadelle) | 3.8 | 1/3.8 = 0.26 |
Abbreviations: CF, conversion factor; CYP, couple year of protection.