Ok so I have a problem. I pump exclusively, and when I pump at work I get about a half ounce less than when I’m home. I recently switched to days from nights. This was not the issue when I worked nights but now that I’m on days I get less. I work three twelves and so the four days I’m off I pump more again. What could be the cause? I drink water ALL DAY. I think maybe I wasn’t getting enough calories so I made sure to eat throughout the day today and healthy. No change. It frustrating. What can I do?