<prompt> Yuzpe and Lance regimen for post -- coital contraception :100 mg of ethinyl oestradiol and 0.5 mg of levonoregestel initially followed by the same dose after 12 hoursSame as above but followed by same dose after 24 hoursUse of 150 mg of DMPA every 3 months200 mg NET -- EN every 60 days  <response>: 100 mg of ethinyl oestradiol and 0.5 mg of levonoregestel initially followed by the same dose after 12 hours 