Please HELP!!! i can only get drips out of my left breast whereas squirts would come out of right breast. 2oz for left but 5 oz for right. I can't seem to get more out of left breast then it end up clogging. I tried to pump longer on left breast but nipple burns after long pumping (got 3 different shields and still sore after each pump) What can i do? please help!!! up to point of giving up.