Exercise during pregnancy may save your child from future health problems: Study

Of course, you can't do high-intensity workouts during pregnancy, but some low-intesity workouts are permissible by the doctors--and can reap multiple health benefits.
Importance of exercise during pregnancy
Don't undermine the importance of exercise during pregnancy. Image courtesy: Shutterstock
ANI Updated: 30 Oct 2023, 15:45 pm IST
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While performing physical exercise is beneficial for all, a recent study has highlighted the benefits of exercising during pregnancy to both mother and their offsprings. It says women who perform exercise significantly reduce their children’s chances of developing diabetes and other metabolic diseases later in life.

A study with lab mice has found that exercise during pregnancy prevented the transmission of metabolic diseases from an obese parent — either mother or father — to child. If the finding holds true in humans, it will have “huge implications” for helping pregnant women ensure their children live the healthiest lives possible, the researchers report in a new scientific paper.

There is no harm in exercising during pregnancy. But do it under guidance

This means that one day soon, a woman’s first trip to the doctor after conceiving might include a prescription for an exercise program.

“Most of the chronic diseases that we talk about today are known to have a foetal origin. This is to say that the parents’ poor health conditions prior to and during pregnancy have negative consequences to the child, potentially through chemical modification of the genes,” said researcher Zhen Yan, PhD, a top exercise expert at the University of Virginia School of Medicine.

“We were inspired by our previous mouse research implicating that regular aerobic exercise for an obese mother before and during pregnancy can protect the child from early onset of diabetes. In this study, we asked the questions, what if an obese mother exercises only during pregnancy, and what if the father is obese?”

exercise during pregnancy
Go slow during pregnancy. Image courtesy: Shutterstock

Scientists have known that exercise during pregnancy helps lead to healthy babies, reducing the risk of pregnancy complications and premature delivery. But Yan, the director of the Center for Skeletal Muscle Research at UVA’s Robert M. Berne Cardiovascular Research Center, wanted to see if the benefits continued throughout the children’s lives. And his work, both previous and new, suggests it does.

To determine that, Yan and his collaborators studied lab mice and their offspring. Some of the adult mice were fed typical mouse chow before and during pregnancy, while other were fed a high-fat, high-calorie diet to simulate obesity.

Some receiving the high-fat diet before mating had access to a voluntary running wheel only during pregnancy, where they could run all they liked, while others did not, meaning they remained sedentary.

The results were striking: Both mothers and fathers in the high-fat group could predispose their offspring to metabolic disorders. In particular, male offspring of the sedentary mothers on high-fat diets were much more likely to develop high blood sugar and other metabolic problems in adulthood.

Active lifestyle during pregnancy might help your child’s future health

To better understand what was happening, the researchers looked at the adult offspring’s metabolism and chemical (epigenetic) modification of DNA. They found there were significant differences in metabolic health and how active certain genes were among the different groups of offsring, suggesting that the negative effects of parental obesity, although different between the father and the mother, last throughout the life of the offspring.

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The good news is that maternal exercise only during pregnancy prevented a host of “epigenetic” changes that affect the workings of the offspring’s genes, the researchers found. Maternal exercise, they determined, completely blocked the negative effects of either mother’s or father’s obesity on the offspring.

exercise during pregnancy
For the sake of child’s health, adopt a healthy lifestyle before and after pregnancy. Image courtesy: Shutterstock

The results, they say, provide the first evidence that maternal exercise only during pregnancy can prevent the transmission of metabolic diseases from parent to child.

“The take-home message is that it is not too late to start to exercise if a mother finds herself pregnant. Regular exercise will not only benefit the pregnancy and labour but also the health of the baby for the long run,” Yan said.

“This is more exciting evidence that regular exercise is probably the most promising intervention that will help us deter the pandemic of chronic diseases in the aging world, as it can disrupt the vicious cycle of parents-to-child transmission of diseases.”

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