There’s a lot of advice out there on nursery setups, diaper brands, and baby gear checklists. But one of the most important aspects of welcoming a child into your life is the one that doesn’t show up on a registry: your mental health. The arrival of a baby is not just a physical change; it’s a deep emotional and psychological shift that can take even the most prepared parents by surprise. Here is how to prepare your mental health for a new baby.