7 Journal of Family Planning and Reproductive Health Care 2004: 30(1) Subsequent to the 2002 World Health Organization (WHO) study,1 the licence for levonorgestrel emergency contraception (EC) in the UK has changed. It now states: ‘Two tablets should be taken together, as soon as possible, preferably within 12 hours, and no later than 72 hours after unprotected intercourse’. This simplification...