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Clinical and Experimental Obstetrics & Gynecology  2020, Vol. 47 Issue (6): 920-925    DOI: 10.31083/j.ceog.2020.06.5365
Original Research Previous articles | Next articles
Postpartum hemorrhage is associated with neonatal body weight, pre-pregnancy body mass index, and maternal weight gain
S. Yamamura1, K. Yamaguchi1, 2, *(), I. Hayashi3, 4, N. Nagai4, N. Sakane3, A. Ikeda1, M. Takakura1, 2, I. Emoto1, M. Ujita1, K. Kawasaki1, K. Abiko1, Y. Takao1, K. Takakura1, I. Konishi1
1National Hospital Organization Kyoto Medical Center, Kyoto, 612-8555, Japan
2Department of Gynecology and Obstetrics, Graduate School of Medicine, Kyoto University, Kyoto, 606-8507, Japan
3Division of Preventive Medicine, Clinical Research Center, National Hospital Organization Kyoto Medical Center, Kyoto, 612-8555, Japan
4Laboratory of Nutritional Physiology, Graduate School of Human Science and Environment, University of Hyogo, Hyogo, 670-0092, Japan
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Abstract  
Purpose of Investigation: The purpose is to identify factors related to postpartum hemorrhage (PPH) that are evaluated during regular prenatal check-ups. Materials and Methods: Obstetric and neonatal data were collected retrospectively for 1,922 women with singleton pregnancies who delivered vaginally. Results: Overweight women exhibited more severe PPH cases compared to normal PPH (p = 0.04). Of pre-pregnancy body mass index (BMI), gestational weight gain (GWG), gestational week of delivery, and neonatal body weight, neonatal body weight showed a significantly elevated risk for severe PPH (adjusted OR = 1.156, p < 0.001). Infant body weight was correlated positively with pre-pregnancy BMI, GWG, and gestational week of delivery (r = 0.194, r = 0.189 and r = 0.364, respectively). Pre-pregnancy BMI, GWG, and gestational week of delivery were associated with neonatal body weight (adjusted B = 0.169, 1.206 and 1.181, respectively; p < 0.001). Conclusion: Management of maternal body weight induces a safe delivery through controlling neonatal body weight. Content: Severe postpartum hemorrhage is associated with neonatal body weight which is influenced by maternal body mass index and weight gain.
Key words:  Postpartum hemorrhage      Neonatal body weight      Body mass index      Body weight gain     
Submitted:  11 September 2019      Accepted:  09 June 2020      Published:  15 December 2020     
Fund: 
2018G026/Smoking Research Foundation
*Corresponding Author(s):  KEN YAMAGUCHI     E-mail:  soulken@kuhp.kyoto-u.ac.jp

Cite this article: 

S. Yamamura, K. Yamaguchi, I. Hayashi, N. Nagai, N. Sakane, A. Ikeda, M. Takakura, I. Emoto, M. Ujita, K. Kawasaki, K. Abiko, Y. Takao, K. Takakura, I. Konishi. Postpartum hemorrhage is associated with neonatal body weight, pre-pregnancy body mass index, and maternal weight gain. Clinical and Experimental Obstetrics & Gynecology, 2020, 47(6): 920-925.

URL: 

https://ceog.imrpress.com/EN/10.31083/j.ceog.2020.06.5365     OR     https://ceog.imrpress.com/EN/Y2020/V47/I6/920

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