Objective To investigate the mental health status in third trimester of pregnancy and its correlation to mode of delivery. Methods The clinical data of 258 cases in late pregnancy was collected. SCL-90 scale was used to evaluate the mental health status and analyze scale evaluation of the validity, reliability and its correlation to mode of delivery. Results Cronbachαcoefficient in 10 factors of SCL-90 scale was 0.709~0.850 with good scale reliability;Spearman correlation analysis showed that each symptom factor score coefficient was between 0.489~0.871 (P<0.05), which displayed good validity of scale content;The correlation coefficient between the factor and total score of each symptom was basically lower than the coefficient of each symptom factor Cronbachα, which constructed that validity was acceptable. 61cases (24.42%) with psychological problems were found under the SCL-60 scale screening standard. Each symptom factor scores was statistically significant (P<0.001) compared with the mental health group(195cases), which displayed good validity of scale discriminant. Somatization, obsession and depression were found significantly higher in cesarean section of pregnant women (118cases) than vaginal delivery (140 cases) (P<0.05). Conclusion Pregnant women in late pregnancy prone to have all kinds of psychological problems. SCL-90 scale evaluation had good validity and reliability of mental health in the pregnant women in late pregnancy. Somatization, obsession, depression in SCL-90 scales were the influencing factors of mode of delivery. Mental health education and pregnancy counseling were necessary for pregnant women, which helped to reduce the complications of pregnancy and ultimately reduce the rate of cesarean section.% 目的探讨妊娠晚期孕妇的心理健康状况及其与分娩方式的相关性.方法收集258例妊娠晚期孕妇的临床资料,SCL-90量表评定心理健康状况,分析量表评价的效度、信度及与分娩方式的相关性.结果 SCL-90量表10个因子的Cronbach α系数在0.709~0.850之间,量表信度较好；Spearman相关分析显示,各症状因子与总得分之间的相关系数在0.489~0.871之间(P均<0.05),显示量表内容效度好；各症状因子及总得分之间的相关系数基本小于各症状因子的Cronbach α系数,显示量表的结构效度较好.根据SCL-60量表筛查标准发现存在心理问题孕妇63例(24.42%),与心理健康孕妇(195例)比较发现,各症状因子得分均存在统计学差异(P均<0.001),显示量表区分效度较好.剖宫产孕妇(118例)在症状因子得分比较中发现其躯体化、强迫与抑郁显著高于阴道分娩孕妇(140例)(P均<0.05).结论妊娠晚期孕妇易出现各种心理问题,SCL-90量表评价妊娠晚期孕妇心理健康状况的效度和信度较好.SCL-90量表中的躯体化、强迫、抑郁是分娩方式的影响因素.有必要对孕妇进行心理健康教育,做好孕期心理咨询工作,有助于减少妊娠并发症,并最终降低剖宫产率.
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