Gaining weight during pregnancy can really influence how the baby turns out, and even their health later on. There are some well-known guidelines from the Institute of Medicine from 2009 that have been tested in different groups of people. But do they really work for pregnant women in Southeast Asia today? A study from Malaysia wanted to figure that out.

They checked out 875 moms from an urban clinic. These women were mostly Malays, Chinese, or Indian. A lot of them were either overweight or obese, especially when using Asian body mass index (BMI) standards. The study found that when they used those Asian BMI standards, more moms were gaining too much weight during pregnancy. But when they used Western BMI standards, there were more moms not gaining enough weight.

After looking at factors like the mom's age, how many kids she already had, her race, if she had gestational diabetes, and how sensitive her body was to insulin, they found some interesting stuff. Moms who gained too much weight, according to Western BMI standards, had a higher chance of having big babies with more fat. This was true even if the moms were more resistant to insulin, which is common in Asians. Moms who didn't gain enough weight had a higher chance of having smaller babies for their stage of pregnancy.

So, the old guidelines from 2009 seemed to work even in this diverse group of Southeast Asian women. But it's important to remember that they looked at different ways to measure BMI. This could change things depending on how you look at it.

Gestational Weight Gain: Do Old Guidelines Fit Today's Asian Moms?

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