[Systematic review and meta-analyses of risk factors for childhood overweight identifiable during infancy Online First doi 10.1136/archdischild-2012-302263]
Mums who carry too much weight and/or who smoke during pregnancy increase the risk of having overweight kids, indicates a systematic analysis of the available evidence published online in the Archives of Disease in Childhood.
A high birth weight and rapid weight gain during the first year of life also increase the risk, indicates the study.