I had been feeding from alternate sides (one breast per feed) but around 3 weeks ago started offering second breast. A few days later I noticed LO poo was consistently green and mucousy. He has also been regurgitating quite a lot of milk after a feed. So I've gone back to single side feeding... but I seem to have developed an oversupply in the meantime. LO is now choking when I letdown, and even when feeding just from one breast he brings up milk for the next hour or so, despite my best attempts at winding. Yesterday when I woke up I pumped about 12oz (2 breasts) - as an experiment I bottle fed him ebm yesterday giving 5oz at a time and he had no sickness and better consistency of poo, although still greenish. So it seems to me he is just taking too much from the breast, not knowing when to stop? This morning I pumped off 3oz of foremilk before latching him on, but he kept wanting to be put back on the breast. I kept putting him back on the same empty side. He has obviously still taken too much as he's been bringing up milk again. He has gone from 50th percentile at 6 weeks to 25th percentile at 10 weeks. GP didn't seem concerned but I don't think he's put on any weight in last 2 weeks (just from weighing him at home on mechanical scales so not terribly accurate). Not sure whether to take him tomorrow to get weighed or wait a bit longer. His latch has also gone to pot, presumably because of the fast flow or letdown, he will not open his mouth wide but just perches on the end. I really want to carry on bf, but it's just horrible seeing him choke, bring up his milk, and the supposedly unhealthy poo as well. Makes me feel like I'm not really giving him the best start at all! If I had to exclusively express to control what he takes, then I'm not sure how I would manage with that (for a start I'd need to upgrade my manual pump...). I just wonder if anyone has any advice. I've enjoyed bf until now but this is beginning to get me down.