Drospirenone-only pill

Case scenario

Suzette, 28 years old, comes into your pharmacy to access emergency contraception following unprotected intercourse. She was provided with ulipristal last week and has just come from an appointment with her GP. She has not been using any other reliable contraceptive so far, as some of her friends warned her that combined oral contraceptives can contribute to DVTs and she regularly commutes overseas for work. Suzette has been prescribed drospirenone and has been advised to start this for contraception during her next cycle. She would prefer to start this immediately, even though she is on day 20 of her usual 29-day cycle. You recall the interaction between ulipristal and progestogens; however, as it has been more than 5 days since treatment, Suzette can safely start t