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Park, Lee, Lee, Han, Lee, Chung, Ahn, Han, Ryu, Kim, Yang, and Kim: Association between maternal weight gain rate of each trimester and neonatal birth weight
Original Article
Korean Journal of Obstetrics & Gynecology

Korean Journal of Obstetrics & Gynecology 2012; 55(10): 693-698.

Published online: 10 October 2012

DOI: https://doi.org/10.5468/KJOG.2012.55.10.693

Association between maternal weight gain rate of each trimester and neonatal birth weight

Hye-Weon Park, MD, Min-Young Lee, MD, Jea-Ra Lee, MD, You-Jung Han, MD, Si-Won Lee, MD, Jin-Hoon Chung, MD, Hyun-Kyong Ahn, MD, Jung-Yeol Han, MD, Hyun-Mee Ryu, MD, Moon-Young Kim, MD, Jae-Hyug Yang, MD, Min-Hyoung Kim, MD

Department of Obstetrics and Gynecology, Cheil General Hospital and Women's Healthcare Center, Kwandong University College of Medicine, Seoul, Korea.

Corresponding author: Min-Hyoung Kim, MD, PhD. Department of Obstetrics and Gynecology, Cheil General Hospital and Women's Healthcare Center, Kwandong University College of Medicine, 17 Seoae-ro 1-gil, Jung-gu, Seoul 100-380, Korea. Tel: +82-2-2000-7043, Fax: +82-2-2000-4796, obdrmhk@naver.com

Received 21 May 2012       Revised 5 July 2012       Accepted 14 August 2012

Copyright © 2012. Korean Society of Obstetrics and Gynecology

(open-access):

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Objective

To evaluate the association between gestational maternal weight gain during each trimester and neonatal birth weight.

Methods

A retrospective cohort study was conducted. Data were obtained from medical records of women who received her first antenatal care before 10 weeks' of gestation and delivered term singleton neonates at Cheil General Hospital. Correlation between rate of maternal weight gain at each trimester (kg/wk) and neonatal birth weight was analyzed according to parity after adjustment for maternal age, pre-pregnancy body mass index, total weight gain, and gestational age at delivery.

Results

A total of 2,105 pregnant women were included. Of them, 1,266 women were nullipara and 839 women were multipara. In correlation analysis, maternal weight gain at the second trimester was more associated with neonatal birth weight than those of other trimesters, regardless of parity.

Conclusion

We suggest that obstetricians should be more concerned about maternal weight gain at the second trimester for appropriate neonatal birth weight.

Keywords: Weight gain, Pregnancy trimesters, Birth weight

Figures and Tables

Table 1
Clinical characteristics of study population
kjog-55-693-i001

Statistical analysis: chi-square test, Student's t-test

Data are presented as mean±standard deviation or number (%).

Table 2
Clinical characteristics and neonatal birth weight according to the parity and different patterns of gestational weight gain during second and third trimester
kjog-55-693-i002

I, 2nd≥0.5, 3rd≥0.5; II, 2nd≥0.5, 3rd<0.5; III, 2nd<0.5, 3rd≥0.5; IV, 2nd<0.5, 3rd<0.5; BMI, body mass index.

aReference group; bP<0.05 compared with the reference group.

Table 3
Correlation analysis between neonatal birth weight and gestational weight gain rate according to each trimester and total gestational period adjusted for age, parity, pre-pregnancy body mass index, and gestational age at delivery
kjog-55-693-i003

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