To determine the association of stress, anxiety and risk of spontaneous preterm delivery. Methodology: This study is correlational, longitudinal. The sampling was not probabilistic consecutive cases. 124 women pregnant were applied two different instruments in three different weeks 20-24, 30-34, 35-36. The first one to see the psychosocial status of the anxiety using instrument "The Spielberger State-Trait anxiety Inventory" (STAI), Cronbach's alpha 0.90. And the perceived stress with the "Perceived Stress Questionnaire" (PSQ) Cronbach's alpha > 0.70. Results: The incidence of spontaneous preterm delivery was 6.4 %, perceived stress did not increase the risk of spontaneous preterm delivery ( RR 1.01, confidence interval 95% [CI], 0.24 - 4.3 p < 0.05; Anxiety did not increase the risk of spontaneous preterm delivery ( RR 0.57, 95% [CI], 0.19-1.7 p <0.05). Conclusion: The perceived stress and anxiety did not increase the risk of spontaneous preterm delivery.
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机译：确定压力，焦虑和自发早产风险的关联。方法：这项研究是相关的，纵向的。抽样不是连续概率病例。在三个不同的星期20-24、30-34、35-36中，对124名怀孕的妇女使用了两种不同的器械。第一个使用“ Spielberger状态-特质焦虑量表”（STAI）来查看焦虑心理状态的人，克伦巴赫的alpha为0.90。而感知压力与“感知压力问卷”（PSQ）的Cronbach's alpha> 0.70。结果：自发性早产的发生率为6.4％，感觉到的压力并没有增加自发性早产的风险（RR 1.01，置信区间95％[CI]，0.24-4.3 p <0.05;焦虑并没有增加自发性风险早产（RR 0.57，95％[CI]，0.19-1.7 p <0.05）。结论：感觉到的压力和焦虑并没有增加自发早产的风险。
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