A 19-year-old woman on a 21-day combined oral contraceptive pill pack forgets to take one pill and realises 18 hours after the usual time. She has taken all other pills correctly and had intercourse 2 days ago. What is the most appropriate advice?ATake the missed pill as soon as possible and continue the pack; no emergency contraception is requiredBDiscard the pack and start a new one in 7 daysCStop taking the pill for 7 days and use condoms onlyDUse emergency contraception and stop the pill permanentlyEShe must abstain from sex for the rest of the cycle even if she continues the pillCheck my answer