Seeing blood in expressed breast milk can be alarming. A bottle that looked creamy a few minutes ago may turn pink, orange, brown, or even reddish. It can happen during the early days of lactation, after a long pumping session, with nipple damage, or when a milk duct becomes irritated. Most small amounts of blood in breast milk come from benign, temporary causes. Still, bleeding deserves attention, especially if it is heavy, painful, one-sided, or keeps coming back. This arti