Social & Preventive Medicine Non communicable diseases 40091a00 Pearl Index is - A Accident pregnancy per per 1 women year of contraception exposure B Accident pregnancy per per 10 women year of contraception exposure C Accident pregnancy per per 100 women year of contraception exposure D Accident pregnancy per per 1000 women year of contraception exposure High-Yield Explanation park's textbook of preventive and social medicine 23rd edition. *pearl index is defined as the no of tailers per 100 women -years of exposure