<prompt> Weight of newborn quadruples by ___9 months12 months2 years3 years  <response>: weight of new born Weight of child in nude or minimal clothing is measured accurately on a lever or electronic type of weighing scale. Spring balances are less accurate. The weighing scale should have a minimum unit of 100g. Child should be placed in middle of pan. Age Weightkg Bih. 3 6 months 6 doubles 1 yr. 9triples 2 yr. 12quadruples 3 yr. 15 4 yr. 16 Reference: GHAI essential Paediatrics 