This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Gynae), Subject name: Gynaecology & Obstetrics
The iron content in 100 gm of breast milk is 
Select and explain. 
A. 1 mg, B. 10mg, C. 50 mg, D. 100 mg
D: 100 mg
Answer: D: 100 mg 
Explanation: (100 ng) Ref: 149, 455-D, 398-PK 17thPercentage composition of colostrums and breast milk ProteinFatCarbohydrateWaterColostrum8.62.33.286Breast milk1.23.27.587 Composition of Human and Cow's milk Lactose g/ 100mlFat g/ 100mlProtein g/100mlSodium mmol/LWaterCalories kcal/mHuman73.51.278975Cows4.53.53.4228867 MineralsBreast milk grammes per litreCow's milk grammes per litreCa0.331P0.151-Fe0.4 to 1.5 mg0.3 to 0.5 mg