Social & Preventive Medicine Number of calories in 100 grams of breast milk is: September 2007 A 45 Kcal B 65 Kcal C 85 Kcal D 105 Kcal 💡 Explanation Number of calories in 100 grams of breast milk is: September 2007 ✓ Correct Answer: B. 65 Kcal