The impulse for many of us is to help by offering advice and sharing what has worked in our experience. She is going to be getting loads of "shoulds" and "shouldn'ts" from just about everyone. The truth is, what works for one family may not work for another—we are all very different. So the best thing you can do is support her in finding her own way. Let her figure things out. She can do it. She just needs the confidence to know she can.
While a lot of the focus tends to be on the first few weeks after the baby is born, new challenges are always arising. Partners may start going back to work, family may be leaving, an identity shift may be taking place… Don’t forget about her, and keep checking in!