Prenatal life events stress: implications for preterm birth and infant birthweight - 19/08/11
, Jiahu Hao, MD a, Ying Sun, MD a, Xiaomin Jiang, MD a, b
Reprints: Fangbiao Tao, MD, Department of Child and Maternal Health, Anhui Medical University, 81th Meishan Rd., Hefei, PRCRésumé |
Objective |
The objective of the study was to evaluate the effects of maternal exposure to severe life events during different stage of gestation on preterm birth and infant birthweight.
Study Design |
A sample of 1800 women who delivered after 32 weeks' gestation were assessed with questionnaires that measured stressful life events during different stages of pregnancy. Demographic characteristics and birth outcomes were collected through the interviews and medical charts.
Results |
There was an increased risk of preterm birth among women with higher levels of life events stress during the first trimester (adjusted risk ratio, 2.40; 95% confidence interval, 1.13–5.09) and second trimester (adjusted risk ratio, 2.86; 95% confidence interval, 1.26–6.47). Each unit increase of perceived life events stress during first trimester was associated with a 99.09 g decrease in infant birthweight.
Conclusion |
Prenatal severe life events, especially in the first trimester, may play an important role in increasing the risk of preterm birth and low birthweight.
Le texte complet de cet article est disponible en PDF.Key words : birthweight, life events, pregnancy, preterm birth, stress
Plan
| This study was supported in part by a grant from Key Projects in the National Key Technology Research and Development Program (#2006BAI05A03), The Research Fund for the Doctoral Program of Higher Education, Ministry of Education of China (#20060366002), and the Natural Sciences Foundation of Anhui Educational Committee (#KJ2008B294). |
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| Cite this article as: Zhu P, Tao F, Hao J, et al. Prenatal life events stress: implications for preterm birth and infant birthweight. Am J Obstet Gynecol 2010;203:34.e1-8. |
Vol 203 - N° 1
P. 34.e1-34.e8 - juillet 2010 Retour au numéro
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