Recently DD has become very fussy and impatient when nursing on my left side anytime I'm not really full. I suspect she gets frustrated when letdown takes a little longer on that side but I'm not sure. Is this common? She used to be a very content nurser but now tends to flail, wriggle etc. I am also having a hard time keeping her latched on well as she's pulling, moving and thus tends to readjust herself where she doesn't have as much breast in the mouth. How can I correct this (I'm not sore but want to prevent that from happening).
She's almost 4 months so I know some of this behaviour is common but I want to make sure that I don't have a supply issue. I've always fed her on demand, and while her weight gain has slowed, she is still gaining (6 lbs. 2 oz when we left the hospital, almost 14 lbs now). I think she's having enough wet diapers but I'm going to do a quick count tomorrow to be sure.
Any suggestions on how to get her back to nursing better? We do co-sleep part time. DD starts the night in her crib and then comes into bed with DH and I upon her first waking.