A 24-year-old woman presents 48 hours after unprotected sexual intercourse. She has a regular 28-day cycle and is mid-cycle. She is not on regular contraception. What is the most effective emergency contraceptive option at this time?ACopper intrauterine device insertionBLevonorgestrel emergency contraceptive pillCUlipristal acetate emergency contraceptive pillDCombined oral contraceptive Yuzpe regimenENo emergency contraception is effective at this timeCheck my answer