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Pregnant women, you're officially high-level athletes

A new study puts pregnancy in the same category as Ironman triathlons where endurance is concerned. Can we take a moment?

Pregnant women, you're officially high-level athletes

Photo: iStockphoto

At 8 months pregnant, I had chronic acid reflux, vaginal varicose veins, and a growing inability to take a deep breath. Some days, it felt like I was running a marathon. Turns out, I was.

According to a new study out of Duke University, pregnant women who carry a baby to term reach the same peak levels of endurance as Ironman competitors. Researchers looked at participants in the 120-day Race Across the U.S.A., finding that moms-to-be expend the same amount of energy as the high-level athletes competing in the 4,800 km race from California to Washington, D.C.

But where the athletes burned the majority of their calories off the top, eventually levelling off at 2.5 times their resting metabolic rate to preserve energy, an expectant mother maintains an only slightly lower rate of 2.2 times her resting metabolic rate—and sustains it throughout her entire pregnancy.

Finally, scientific proof of what mothers have always known: pregnancy is an extreme sport.

“Human mothers have the biggest children and the longest pregnancies of all apes,” says study co-author and evolutionary anthropology professor Herman Pontzer—to the surprise of no mother anywhere—noting that the research “defines the realm of what is possible for humans.”

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But while the study hints that we all have an iron man in us, few of us have the will power to actually make it happen. “With pregnancy your body takes over and you have no control over it,” says Ponzter. “Every mother who has gone through a pregnancy has experienced that effort themselves.”

Now will someone please give all moms a medal?

Read more: I’m tired of the “It was all worth it” pregnancy narrative What it’s like to have a fourth-degree tear—yup, right to your butt 

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