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    Fetus to Mom: You're Stressing Me Out!

    Fetus to Mom: You're Stressing Me Out!

    WebMD Feature

    Dr. Calvin Hobel, a perinatologist in Los Angeles, has spent much of his career trying to document the effects of stress on pregnancy and to figure out how best to get pregnant women to relax. Not only does he see the importance clinically, but he's reminded of it daily.

    Beginning with his 45-minute commute to Cedars Sinai Medical Center, Dr. Hobel watches women putting on makeup in their cars, wolfing down bites of breakfast ... and the clincher? Pregnant women who come to yoga classes to learn how to relax have to take a breather -- to answer cell phones they just couldn't leave behind.

    Stress is such a familiar part of women's lives that many just squeeze a pregnancy right into all the hubbub. Even if women wonder whether it's bad for their developing fetuses, it's often hard to get a straight answer, mainly because most doctors don't know how much stress is too much -- or for whom.

    But researchers, including Hobel, are getting closer to unlocking the mystery.

    For one thing, a growing number of studies are confirming what used to be considered just an old wives' tale -- that stress really isn't good for pregnant women. It not only increases the risk of pre-term labor, but possibly a host of other problems for babies after birth.

    Even more important -- and clearly more difficult to discern -- researchers are close to being able to predict who's most susceptible to stress and at highest risk for complications, such as pre-term birth. In fact, some say it won't be long before health-care providers have the tools to head off these problems before it's too late.

    "Stress is a silent disease," says Dr. Hobel, director of maternal-fetal medicine at Cedars Sinai and a professor of obstetrics/gynecology and pediatrics at University of California, Los Angeles (UCLA). "Pregnant women need to be educated in recognizing when they have stress, the consequences and some of the simple things they can do to make a difference."

    Throw Out the 'Blueprint'

    Developmental biologists once thought fetuses were conceived with a "blueprint" from their parents' genes. As long as you gave the growing fetus the right nutrients and avoided harmful substances, this blueprint would develop into a healthy baby. That's not what experts believe anymore, says Dr. Pathik Wadhwa, assistant professor of behavioral science, obstetrics and gynecology at University of Kentucky College of Medicine.

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