What is A female wanted to have an emergency contraception after an unprotected intercourse. Which of these is NOT useful as an emergency contraceptive? and explain in detail?
Post coital or emergency contraceptives are, Ethinyl oestradiol Conjugated estrogen Ethinyl oestradiol + Norgestrel Levonorgestrel Mifepristone Copper IUDs Ref: Textbook of Obstetrics by D.C. Dutta, 6th edition, Page 550.