Pump, just make sure you have the right flange size, even if nothing comes out it triggers the body to make more. Try even power pumping (pump for 20 minutes or until milk stops flowing, rest for 10, pump for 10, rest for 10, pump for 10 so it's about an hour in total). And if your baby is latching then even try latching as often as possible. And lots of skin to skin contaxt with baby