Paisley  Moon
Paisley Moon thanked Julii Brainard's answer
Breast milk is made from specialist sweat glands; milk (human milk, cow's milk, whatever kind) is basically enriched sweat. Nutrients and other substances do diffuse from the blood into the milk across permeable membranes, but blood does not normally enter into the milk itself. If a woman is unlucky and suffers from cracks in her … Read more