Breast milk is liquid gold. It is so valuable and amazing that scientists cannot reproduce it in a lab, and only you can make it. Your body perfectly formulates your milk for your baby, and pumping allows you to provide milk for your baby even when you are not there. This article covers the fundamentals of pumping breastmilk to meet your goals, whether an occasional pumping session or building a serious freezer stash. If you plan to return to work after maternity leave, this article walks through navigating pumping at work. Plus, everything from cleaning and sterilizing your pump and accessories to safely storing your milk.