Hi all , my question related to Vaccine. my baby boy is currently 45 days old n weihht is 3.500 kg. yesterday I went to my pediatrician for 2nd dose of vaccines which is to be given at 6 weeks, but my dr said tht baby weight is less to gv vaccines.  so he advice to weight become 4 kg for 2nd dose n come after 10 days . is vaccines n baby weight is co related. ?? is it ok to gv vaccines after due date.. ?? or should I take second pediatrician opinion ... please advice as I m really worried for my baby.