Social & Preventive Medicine 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 💡 Explanation Pearl Index is - ✓ Correct Answer: C. Accident pregnancy per per 100 women year of contraception exposure