The pearl index indicates teh number of accidental pregnancies per -: (A) 1000 population, (B) 100 live bihs, (C) 100 women in the age group of 15 to 44 years, (D) 100 women years
Answer is D. park's textbook of preventive and social medicine 23rd edition. *pearl index is defined as the no of failure per 100 women year of exposure.