There was no difference in maternal smoking, drinking and having disease during pregnancy between case and control group(P>0.05).
母亲孕期吸烟、饮酒及患病史在病例组及对照组间差异无统计学意义（P>0.05）。
Results demonostrated (1) that the mean cord serum erythropoietin levels wrer higher than their 72-84 hour old blood samples and maternal sera both in AGA and SGA (P<0.01).
结果发现正常新生儿和小样儿的脐血红细胞生成素浓度高于生后72～84小时（P<0.01）和母血（P<0.01）。
Level of maternal culture, relationship with family members, personal character and current body healthy status were the influential factors of depression in the subjects (P<0.05).
家庭内关系是否融洽、遗传因素、个人性格因素、自身的经济状况以及当前自身的健康状况（P值均小于0.05）和抑郁情绪之间关联显著。
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