Social & Preventive Medicine Contraceptive failure 10/100 women years means: A 0.1 accidental pregnancy per 100 woman year using contraceptives B 100 accidental pregnancy per 1000 woman year using contraceptives C 10 accidental pregnancy per 1000 woman year using contraceptives D 10 accidental pregnancy per 100 woman year using contraceptives 💡 Explanation Contraceptive failure 10/100 women years means: ✓ Correct Answer: D. 10 accidental pregnancy per 100 woman year using contraceptives