To optimize milk production, breasts should be nursed well or pumped to empty about 8 times per day (every 3 hours or so). BEFORE MILK COMES IN AND AS IT'S COMING IN, PUMP 10-15 MINUTES if baby doesn't latch/suckle well, to stimulate milk production hormones.

What happens if I don't pump until empty?

Pumping until empty signals to your body to continue producing milk. If you do not empty as much milk as possible during a pumping session, then your milk supply may decrease. This is because your body may think that it does not need to produce the amount it has been producing.

Should I pump to empty breast after feeding?

In this case, moms who feel full and uncomfortable even after baby feeds well may be tempted to use a pump to empty the breast and relieve the discomfort. Bad idea, lactation experts say. ... The key, say lactation experts, is to pump or hand express just enough milk to relieve discomfort but not to empty breasts.