This process, known as lactogenesis, begins during early pregnancy and continues through the postpartum period. Learn the signs that indicate your breast milk is coming in during pregnancy Discover when lactation starts, what changes to expect, and how to manage leaking breast milk. Learn about the stages of breast milk production, early signs like leaking colostrum and breast changes, and what affects timing—including hormones, stretch marks, and more When do pregnant women start leaking breast milk When do expecting moms start producing milk
You start producing small amounts of colostrum as early as three or four months into pregnancy (you may have noticed before that, as your milk glands increase in number and size.) Leaking milk during pregnancy is a natural and common experience, indicative of the body’s preparation for breastfeeding Most women will start noticing colostrum leakage around the second trimester, but the exact timing can vary.
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