All of these can be used for post-coital contraception except:

Ans: A. Desogestrel(Ref Williams 24/e p714).Desogestrel is not used as post-coital contraceptive.Drugs used for Emergency ContraceptionDrugDoseLevonorgestrel0.75 mg stat and after 12 hoursdegEthinyl estradiol 50 pg + Norgestrel 0.25 mg2 tab stat and 2 after 12 hoursdegConjugated estrogen15 mg BD x 5 daysEthinyl estradiol2.5 mg BD x 5 daysMifepristoneInseion of an IUCD within maximum period of 5-7 days after accidental unprotected exposure.It prevents implantation but is not suitable for women with multiple sex paners and for rape victimsCentchroman2 tablets (60 mg) to be taken twice at an in interval of 12 hours within 24 hours of intercourse.UlipristalInseion of an IUCD within maximum period of 5-7 days after accidental unprotected exposure.It prevents implantation but is not suitable for women with multiple sex paners and for rape victims.