A 25-year-old nulliparous woman attends your contraceptive c…

A 25-year-old nulliparous woman attends your contraceptive clinic as she requires a regular contraceptive. She is currently taking the following medicines: Beclometasone 100mcg inhaler – 1 puff twice daily Salbutamol Evohaler – 1-2 puffs if needed up to four times a day Sodium Valproate 300mg m/r tablets – One tablet twice daily Which of the following contraceptives would be the most suitable option for this patient?