Because current ovarian cancer screening is limited, women with abnormal BRCA1 or BRCA2 genes may decide to have their ovaries removed once child-bearing is completed.

因为最新的卵巢癌筛选受限，有异常的BRCA1或BRCA2基因的女人一旦分娩结束，就决定切除卵巢。

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His behaviour was abnormal for a child of his age, he is likely to be premature.

他的举止对于他这个年龄的孩子来说是不正常的，他好像很早熟。

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On the other hand low family income, illness and abnormal birth had negative effect on child development.

但家庭低收入、疾病和异常分娩对儿童发育产生不良影响。

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Dr. Jon Drezner, an associate professor of family medicine at the University of Washington and team physician for pro football's Seattle Seahawks, said blunt trauma to a child's chest can send the heart into an abnormal rhythm.

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