Gynaecology & Obstetrics Contraceptives 12fa13fb Low dose OCP's contain: A Levonorgestrel B Desogestrel C Norgestrel D Norethisterone High-Yield Explanation Ans. is b, i.e. DesogestrelRef: Reffcoate 7th/ed, p802, Dutta Gynae 6th/ed, p465; SK Chaudhary 7th/ed, p120-130Low dose OCPs on 3rd generation OCP have desogestrel.