Expecting a baby? Here is the ultimate newborn baby shopping list! Feeding *Breast pump. You might need one to relieve pressure at the beginning and avoid mastitis. It will also come in handy when you need to have someone else baby sit. And, finally, if you’re going back to work, and still want your baby to exclusively eat breast milk. *Nursing bras. You’ll need at least 2, depending on how often you do laundry. These are soft and I wear them to bed, too. *Nursing tanks. At l