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Yoo, Ha, Kang, Park, and Park: A study of the factors associated with the pattern of gestational weight gain
Original Article
Korean Journal of Obstetrics and Gynecology

Korean Journal of Obstetrics and Gynecology 2010; 53(1): 23-28.

Published online: 31 January 2010

DOI: https://doi.org/10.5468/kjog.2010.53.1.23

A study of the factors associated with the pattern of gestational weight gain

Yung Wook Yoo, M.D., Jeong Yi Ha, M.D., Chang Seong Kang, M.D., Sung Chul Park, M.D., Jong Kyou Park, M.D.

Department of Obstetrics and Gynecology, Han-il Hospital, Seoul, Korea.

Corresponding author (stodra@hanmail.net)

Received 20 October 2009       Accepted 23 December 2009

Copyright © 2010 Korean Society of Obstetrics and Gynecology

Abstract

Objective

To examine the pattern of gestational weight gain using maternal characteristics and pregnancy outcomes.

Methods

We used maternal weight data from 1,825 women who had noncomplicated pregnancy between Jan. 2002 and Aug. 2009. The rate of maternal weight gain in each trimester, the associations between gestational weight gain per trimester and maternal characteristics and pregnancy outcomes, and the relationship between maternal characteristics and trimester weight gain were analyzed.

Results

The average rate of weight gain (kg/week) was lowest during the first trimester (0.06±0.30), peaked during the second trimester (0.52±0.23), and slowed slightly in the third trimester (0.47±0.23). With the exception of infant sex, all six maternal characteristics and pregnancy outcomes included in the multivariate analyses (parity, maternal age, height, BMI, preeclampsia, gestational DM) were associated significantly with maternal weight gain in at least one trimester. The important maternal predictors of weight gain per trimester were prepregnancy BMI, height and age in the first trimester; prepregnacy BMI, parity and height in the second; and height, age and parity in the third.

Conclusion

The pattern of gestational weight gain is associated with a number of maternal characteristics and pregnancy outcomes, and these relationships vary according to which trimester is being examined.

Keywords: Gestational weight gain, Weight gain pattern, Weight gain rate

Figures and Tables

Fig. 1
Trimester weekly weight gain by pre-pregnancy body mass index.
kjog-53-23-g001
Fig. 2
Trimester weekly weight gain by preeclampsia.
kjog-53-23-g002
Fig. 3
Trimester weekly weight gain by birthweight for gestational age.
kjog-53-23-g003
Table 1
Characteristics of study subjects
kjog-53-23-i001

*mean±standard deviation.

†n (percent).

Table 2
Mean weekly gestational weight gain rate for each trimester
kjog-53-23-i002

*mean±standard deviation, P-value.

Table 3
Relationship between trimester weight gain and maternal characteristics
kjog-53-23-i003

References

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8. Abrams B, Carmichael S, Selvin S. Factors associated with the pattern of maternal weight gain during pregnancy. Obstet Gynecol. 1995. 86:170–176.
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12. Hediger M, Scholl T, Ances I, Belsky DH, Salmon R. Rate and amount of weight gain during adolescent pregnancy: Associations with maternal weight-for-height and birth weight. Am J Clin Nutr. 1990. 52:793–799.
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