A 16-year-old girl with moderate learning difficulties attends with her support worker requesting the etonogestrel implant. She appears to understand the procedure but cannot explain why she wants contraception. What should the clinician do?AInsert the implant as requested by the support workerBAssess her capacity to consent using the four criteria of the Mental Capacity Act; if she has capacity, her consent is valid. If she lacks capacity, a best interests decision is requiredCRefuse to insert the implant until a parent consentsDOnly insert if she can explain her reasons in medical terminologyEWait until she turns 18Check my answer