If you’re gaining weight while breastfeeding, you’re not alone—and you’re not doing anything wrong. In this evidence-based guide, registered dietitian Megan Brister explains why some moms hold onto or gain weight postpartum, even with healthy habits. Learn what’s really happening with your hormones, metabolism, and appetite, and how to use gentle nutrition strategies to support steady energy, milk supply, and realistic fat loss—without restriction or guilt.