my breastmilk supply is very low, so I have been giving my baby nan pro additionally, she is 3 and a half month old now ,it's been 3,4 days that she is not taking nan she is hungry wants to drink milk but she is having difficulty in latching the feeding bottle,so she doesnt drink much milk neither she takes from spoon, what do i do ? I did take her to the pediatrician , and he says she is fine.. StillI am concerned. What do i do?