Etonorgestrel concentrations in morbidly obese women following Roux-en-Y gastric bypass surgery: three case reports.


BACKGROUND Pregnancy should be avoided for 12 to 18 months after Roux-en-Y gastric bypass (RYGB) surgery. The etonorgestrel (ENG)-releasing implant (Implanon®) may represent a safe and effective contraceptive method in morbidly obese women who are candidates for bariatric surgery. In addition, the subcutaneous delivery of steroid is unaffected by… (More)
DOI: 10.1016/j.contraception.2011.03.015

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