Given the patient's use of multiple contraceptive implants and oral contraceptives, what is the most likely mechanism by which these treatments might interact and potentially affect efficacy?
Reduced efficacy of contraceptives due to competitive inhibition at hormone receptors. Increased risk of hypertension due to combined hormonal load from multiple contraceptive methods. Enhanced contraceptive efficacy due to synergistic effects of combined oral and implantable methods. Increased hormone levels due to overlapping estrogen and progestin components, potentially leading to side effects.