#AskTheExpert my baby is 54 days old. after vaccination she is not sucking breast milk.she is ok with bottle feed . now it is 6th day after vaccination.she was born one month earlier and she was only 2 kg.now she is 3.180 kg . earlier too she sucks only for few minutes . after my delivery I was not having enough milk so she was fed using formula milk .after few days I was enough milk but she used to suck only for few minutes. now she is not at all sucking. Iam so stressed in this situation