Gynaecology & Obstetrics For effective protection after unprotected intercourse one single tab of levonorgestrel 0.75mg has already been taken, when to take next dose? A 1 tab after 24 hrs B 1 tab after 12 hrs C 2 tab after 12 hrs D 2 tab after 24 hrs 💡 Explanation For effective protection after unprotected intercourse one single tab of levonorgestrel 0.75mg has already been taken, when to take next dose? ✓ Correct Answer: B. 1 tab after 12 hrs