However, the risk of preterm birth and low birth weight was higher in all the groups although this did not reach statistical significance.
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Gestational Weight Gain and Pregnancy Outcomes in Relation to Body Mass Index in Asian Indian Women.
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The initial guidelines by the IOM in 1930 recommended that pregnant women should gain 6.8 kg irrespective of weight status.[ 19 ] Subsequently, with increasing prevalence of obesity and an increasing trend in birth of macrosomic infants, these guidelines were revised in 1990 and 2009.[ 9 , 20 ] With overweight and obesity significantly contributing to the growing prevalence of large for gestational age infants and increasing the risk of pregnancy-related complications,[ 21 ] the IOM published new guidelines in 2009.[ 9 ] This new recommendation was based on WHO BMI categories and included a more restrictive range for weight gain for obese women.