International Journal of Medical Sciences

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20 March 2018

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Int J Med Sci 2011; 8(7):554-557. doi:10.7150/ijms.8.554

Research Paper

Risk Factors of Neonatal Anemia in Placenta Previa

Dong Gyu Jang, Yun Sung Jo, Sung Jong Lee, Gui Se Ra Lee

Department of Obstetrics and Gynecology, College of Medicine, The Catholic University of Korea


Objectives: Placenta previa is a major cause of neonatal anemia. The purpose of this study was to elucidate the risk factors of neonatal anemia in placenta previa.

Methods: The study was conducted on 158 placenta previa patients at 3 hospitals in affiliation with the Catholic Medical Center, Seoul, Korea from May 1999 through December 2009. The subjects were divided in to 2 groups: 47 placenta previa patients with neonatal anemia, and 113 placenta previa patients without neonatal anemia. The subjects' characteristics were compared. Logistic regression was used to control for confounding factors.

Results: Anterior placental location (OR 2.48; 95% CI: 1.20-5.11) was an independent risk factor of neonatal anemia after controlling for potential confounders.

Conclusion: To manage neonatal anemia in placenta previa patients, obstetricians should do their best to detect placental location. Pediatricians should consider the high possibility of neonatal anemia in cases involving anterior placental location.

Keywords: neonatal anemia, preterm, placenta previa

This is an open access article distributed under the terms of the Creative Commons Attribution (CC BY-NC) License. See for full terms and conditions.
How to cite this article:
Jang DG, Jo YS, Lee SJ, Lee GSR. Risk Factors of Neonatal Anemia in Placenta Previa. Int J Med Sci 2011; 8(7):554-557. doi:10.7150/ijms.8.554. Available from