探讨足月低出生体重儿发生的影响因素，为临床诊治提供依据。
To research the related factors of the term low birth weight babies.
目的了解孕妇的心理健康状况，探讨孕妇心理社会应激对低出生体重儿的影响。
Objective to describe mental health status in pregnant women and to estimate whether there is an association between psychosocial stress and low birth weight.
目的了解孕妇的心理健康状况，探讨孕妇心理社会应激对低出生体重儿的影响。
Objective to describe mental health status in pregnant women and to estimate whether there is an association between psychosocial stress and low birth weight.
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