目的:分析影响孕早期初诊孕周的相关因素,为预防孕期疾病提供依据。方法:随机抽取425例孕早期妇女,采取问卷与体检相结合的方法进行追踪调查。采用相关分析、卡方检验、Logistic回归分析等统计方法进行研究。结果:425例中有56%做过孕早期检查。影响初诊孕周的危险因素为丈夫饮酒、本人经常打麻将。导致初诊孕周提前的因素中正性心理行为有婚前总费用、经常做卫生、早孕反应重、婚后发现性格不合;负性心理因素是婚后失望。社会行为因素呈正相关的为孕期易疲劳、本人经常打麻将、丈夫饮酒;呈负相关的为异常气压、工作紧张程度。结论:孕早期心理、社会行为因素均可影响初诊孕周。加强婚前健康教育及孕早期保健和监护,对阻碍孕早期初诊孕周的因素进行适当干预,可提高孕早期的初检率,减少孕期疾病的发生率。 OBJECTIVE: To analyze the related factors influencing the first trimester gestational age in pregnancy and provide the basis for preventing the disease during pregnancy. Methods: A total of 425 pregnant women in early pregnancy were randomly selected and followed up by questionnaire and physical examination. Using correlation analysis, Chi-square test, Logistic regression analysis and other statistical methods to study. Results: 56% of 425 patients had an early pregnancy test. Affect the risk of newly diagnosed gestational age for her husband to drink, I often play mahjong. Lead to early gestational age factors in positive premarital psychological behavior in the total cost of the past, often doing health, early pregnancy reaction, marriage found that personality traits; negative psychological factors are disappointed after marriage. Social behavior factors were positively correlated with fatigue during pregnancy, I often play mahjong, her husband drinking; was negative for the abnormal pressure, stress level. Conclusion: Early pregnancy psychology and social behavior factors may affect the first trimester gestational age. To strengthen premarital health education and early pregnancy care and guardianship, appropriate interventions to impede the gestational age of newly diagnosed first trimester may improve the initial examination rate in early pregnancy and reduce the incidence of diseases during pregnancy.