Share 'Baby fussing/screaming when I try to nurse her'

Hi, I am a WOHM with a 16 week old who will start to nurse, suck a few times, pull away and cry and/or scream and arch her back.  I'll calm her down a bit and try again and the same thing will happen.  Seems like we go on like this for awhile b/c I worry that she is not getting enough to eat, until I get exhausted from trying or am somewhat satisfied with how much she ate.     This has been going…