Screen early in pregnancy for gestational diabetes, new Lancet series urges
Gestational diabetes affects one in seven expecting women globally and rates of this troubling condition are rising. Blood glucose levels that become elevated for the first time during pregnancy can lead to severe complications, such as preeclampsia, and increase the risk of stillbirth. And while the condition typically resolves after birth, it is linked to a tenfold increase in the risk of developing type 2 diabetes, along with risks for the child including obesity, cardiovascular disease, and neurodevelopmental disorders.
Gestational diabetes has long been diagnosed between weeks 24 and 28 of pregnancy. But a recent randomized control study called Treatment of Booking Gestational Diabetes Mellitus, or TOBOGM, which was started in 2018 and whose results were published earlier this year, found that treating gestational diabetes before week 20 reduced the risk of severe perinatal complications, including preterm birth, low birthweight, stillbirth, and respiratory distress. The early treatment was most effective in women who had high blood glucose levels after an oral glucose tolerance test, which measures how well the body can metabolize the sugar in a very sweet, Gatorade-like drink.
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