It's a girl! It's a boy! (Or maybe it's even both, if you've had twins). Your newborn baby has arrived, and your life has forever changed. Here's what to expect during your newborn baby's first month of life. Those first few weeks with your new baby can be magical, but they can also be hard. Learning how to feed your baby, help her sleep and understand her constant needs can keep you on your toes — or asleep on your feet. But if something is troubling you today, don’t worry too much. You might be surprised how different some parts of your baby’s life can be from one week to the next at this stage.