she doesn't gain weight week by week

A. hi initially ,it is normal for young babies to shed their weight after few days of birth so as such no need to worry. but make sure your child get enough milk. try to feed your child breastfeeding more . feed your child on each breast at least 20 minutes so your child can get full fat hindmilk well which help to increase your child weight. give gentle massage with Babyhug coconut oil which strengthen Child's bones and muscles.