baby is giving umm sound while feeding.it sound like hard to latching and breathing.but she is normal after removing breast from mouth

A. very important to see that position and attachment while breastfeeding the child is proper. if improper the child will continue to suck for long hrs without getting any milk meet lactational counsellor who will dguide regarding this. see videos on you tube for breastfeeding position and attachment. take plenty of water, home made diet, seasonal fruits and vegetables, milk for increasing breast milk for yourself. take 15 to d30 days weight and growth assessment by the doctor.