The authors that theand delivering a low birth weight infant involves shared genetic factors.

科学家认为,孕妇生下的小孩体重偏低,主要是因为母子拥有着相同的基因.

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A low - birth - weight infant is at risk for developing lack of oxygen during labor.

出生时体重轻的婴儿面临着分娩时缺氧的风险.

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We review of research of pregnant women ? ? s periodontal infection bring on low birth weight infant.

本文就孕妇牙周感染对低出生体质量儿影响的研究近况作一综述.

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