怀孕期间压力过大易导致流产英语
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泛爱众During early pregnancy, miscarriage may be more likely among women with high levels of the stress hormone cortisol, according to a study published online in the Proceedings of the National Academy of Sciences .
Maternal stress is often considered a risk factor for miscarriage, yet data supporting this association are lacking, noted lead author Dr. Pablo A. Nepomnaschy, from the National Institutes of Health (NIH) in Rearch Triangle Park, North Carolina.
The NIH team evaluated 61 women aged 18-34 over 12 months in a small community in rural Guatemala, collecting each woman's urine three times a week to check for pregnancy status and levels of cortisol, a stress-linked hormone.
Over the year, 16 of the women had 22 pregnancies. Nine pregnancies were carried to term and 13 were lost. Among the findings:
—Miscarriages were 2.7 times more likely among women with incread cortisol levels.
婴儿英语怎么说
—Miscarriages happened after an average of about two weeks of pregnancy.
—90 percent of women with high cortisol levels miscarried in the first three weeks of pregnancy.
—33 percent of women with normal cortisol levels miscarried in the first three weeks of pregnancy.
Dr. Nepomnaschy said it's unclear why a boost in cortisol might rai miscarriage risks, but he offered a hypothesis that "the body might interpret that as conditions deteriorating, and maybe that might trigger an abortion mechanism."维吾尔族人
名字的由来作文
"Try to provide yourlf with what you consider a good environment. The less stress, the better," he suggested.
重点词汇
寇乃馨老公
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miscarriage n. 流产 maternal a. 母亲的，母性的
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