A 38-year-old woman attends the GP requesting the etonogestrel implant. Her BMI is 35 kg/m². She has read that the implant may be less effective in wo...

Question

A 38-year-old woman attends the GP requesting the etonogestrel implant. Her BMI is 35 kg/m². She has read that the implant may be less effective in women with higher body weight. What is the most accurate advice based on current FSRH guidance?

Accepted Answer

Current FSRH guidance states the implant is effective for its licensed duration (3 years) at all body weights, though there is limited data on very high BMI - she should use the implant with confidence

Answer

The implant is contraindicated in women with BMI >30

Answer

She must have the implant replaced every 2 years due to her weight

Answer

The implant is completely unaffected by body weight

Answer

She should use condoms alongside the implant due to her BMI

uk-drcog MCQ (SBA): Implant Efficacy and Body Weight

A 38-year-old woman attends the GP requesting the etonogestrel implant. Her BMI is 35 kg/m². She has read that the implant may be less effective in women with higher body weight. What is the most accurate advice based on current FSRH guidance?