A third of parents underestimated their child 's body mass index ( BMI ) Just 1 % of parents of obese children identified their child as overweight . Less than 1 % of parents overestimated their child 's weight , the study found . Comment: Recognising child 's weight helps parents perceive health threats .
A third of parents underestimated their child 's body mass index ( BMI ) Just 1 % of parents of obese children identified their child as overweight . Less than 1 % of parents overestimated their child 's weight , the study found . Experts : Recognising child 's weight helps parents perceive health threats .