I read this thread already: http://forums.llli.org/showthread.php?t=65842
I have a similar experience except there are a couple things that don't make since.
My LO is currently 14 weeks old. Here is an example of our feeding sessions; I start her on the left breast and she will only eat for maybe 2 minutes at the most and starts moving around and pulls off and will get upset, when I try to get her back on that same side she completely refuses but is still upset. I try to burp her, she gets upset, pacifier - gets upset, but still refuses to take that left breast. So I switch over to the right breast and she will latch on just fine and start eating, but will only eat for another minute or 2 and again pulls off and gets upset. I have tried different positions for feeding and doesn't seem to make much of a difference. I am starting to wonder if she has reflux or if my supply has dropped.
Yes she has plenty of poop and pee diapers. She has been sleeping through the night for almost a full month now and so she will go 8 hours without eating. Since my breast are so full at 6 a.m. if she hasn't awaken yet I will pump and am able to get 3-4 oz. out of each breast. When she wakes up I give her the bottle with about 7-7.5 oz. of expressed milk and she will drink every bit of it and does not complain at all. During the day I am lucky if I can get her to go 3 hours between feedings, usually she is eating every 2 hours.
I guess I wouldn't be so worried if she wasn't getting so upset during feeding recently. Either something is bothering her or she is still hungry and I am not producing enough. Any other ideas?