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What is Least pregnancy failure rate in and explain in detail?
(Oestrogen + Progesterone) (547-Dutta 6th)Pregnancy Failure Rate (H,W,Y) (PEARL - INDEX)**Number of accidental pregnancies x 1200Number of patients in 100 year1200 = Number of months in 100 years* Condome = 14 * IUCD = 2* Diaphragm = 20 LNG- IUS (0.2 H.W.Y)]* Rhythm method = 20-30 = 1-2 H.W.Y* Coitus interruptus = 20 * OCP = * Progesterone alone [0.5-2 H.W.Y