On average a mom can expect to pump about 1 - 2 ounces of milk per pumping session. (mommyedition.com)
Show how messy your house looks before the cleaner arrives and tell the millions of average moms like me that's it's okay not to have it together all the time and that even the great Kim K looses her sh*t sometimes. (theadvertiser.com)
On average moms get around 4 - 5 oz in 20 - 30minutes with this pump. (expressing-mama.com)