I've been breastfeeding my 9 month old i pump at work every 4 hrs and could usually get 4-6oz. Lately, I've only pumped 2 oz or less. Could it be the pump or something else? I have two of them and have replaced the valves. I used to be able to pump from one breast while feeding 3 oz or more.
It would be best to call into our customer service at 800 292 4794 so they can discuss this with you in more detail. It will be easier to discuss rather than email or message about this. We are here to help!