Lo is 7 weeks (prem) and usually bfs really well, but periodically does this thing of madly shaking her head when trying to latch, at the start or also part way through a feed. doesn't look like she's trying to push off, just a bit frenzied and frustrated. it does look very funny, but I've no idea what it means. is it wind? (certainly seems to cause wind!) Is she struggling to get any milk out? Wish i could help her ....