Limiting gestational weight gain is academic

Giving an overweight or obese pregnant woman dietary and lifestyle advice is unlikely to improve her pregnancy or birth outcome, Australian research shows.

The randomised trial of 2152 pregnant women with a BMI of more than 25 showed that diet and lifestyle intervention did not reduce the risk of delivering a baby born large for gestational age and sex or improve maternal pregnancy and birth outcomes.

It did, however, slightly reduce the risk of giving birth to a baby above 4000g, the researchers  found.

Writing in BMJ Open, they