Rate of gestational weight gain and preterm birth in relation to prepregnancy body mass indices and trimester: a follow-up study in China

doi:10.1186/s12978-016-0204-2

. 2016 Aug 12;13(1):93.

doi: 10.1186/s12978-016-0204-2.

Rate of gestational weight gain and preterm birth in relation to prepregnancy body mass indices and trimester: a follow-up study in China

Aiqun Huang¹, Zhenpeng Ji², Wei Zhao¹, Huanqing Hu¹, Qi Yang³, Dafang Chen⁴

Affiliations

¹ National Center for Women and Children's Health, Chinese Center for Disease Control and Prevention, No.12, Dahuisi Road, Haidian District, Beijing, 100081, China.
² Department of Epidemiology and Biostatistics, Peking University, School of Public Health, No.38, Xueyuan Road, Haidian District, Beijing, 100191, China.
³ National Center for Women and Children's Health, Chinese Center for Disease Control and Prevention, No.12, Dahuisi Road, Haidian District, Beijing, 100081, China. yangqi@chinawch.org.cn.
⁴ Department of Epidemiology and Biostatistics, Peking University, School of Public Health, No.38, Xueyuan Road, Haidian District, Beijing, 100191, China. dafangchen@bjmu.edu.cn.

PMID: 27519645
PMCID: PMC4983027
DOI: 10.1186/s12978-016-0204-2

Rate of gestational weight gain and preterm birth in relation to prepregnancy body mass indices and trimester: a follow-up study in China

Aiqun Huang et al. Reprod Health. 2016.

. 2016 Aug 12;13(1):93.

doi: 10.1186/s12978-016-0204-2.

Authors

Aiqun Huang¹, Zhenpeng Ji², Wei Zhao¹, Huanqing Hu¹, Qi Yang³, Dafang Chen⁴

Affiliations

¹ National Center for Women and Children's Health, Chinese Center for Disease Control and Prevention, No.12, Dahuisi Road, Haidian District, Beijing, 100081, China.
² Department of Epidemiology and Biostatistics, Peking University, School of Public Health, No.38, Xueyuan Road, Haidian District, Beijing, 100191, China.
³ National Center for Women and Children's Health, Chinese Center for Disease Control and Prevention, No.12, Dahuisi Road, Haidian District, Beijing, 100081, China. yangqi@chinawch.org.cn.
⁴ Department of Epidemiology and Biostatistics, Peking University, School of Public Health, No.38, Xueyuan Road, Haidian District, Beijing, 100191, China. dafangchen@bjmu.edu.cn.

PMID: 27519645
PMCID: PMC4983027
DOI: 10.1186/s12978-016-0204-2

Abstract

Background: To evaluate the association between rate of gestational weight gain and preterm birth varying prepregnancy body mass indices and trimester.

Methods: Data from Maternal and Newborn's Health Monitoring System on 17475 pregnant women who delivered live singletons at ≥ 28 weeks of gestation between October 2013 and September 2014 from 12 districts/counties of 6 provinces in China and started prenatal care at ≤ 12 weeks of gestation was analyzed. Gestational weight gain was categorized by rate of weight gain during the 2(nd) and 3(rd) trimester, based on the 2009 Institute of Medicine guidelines. Multivariable binary logistic regression models were conducted to investigate the association between rate of gestational weight gain and preterm birth stratified by prepregnancy body mass indices and trimester.

Results: Excessive weight gain occurred in 57.9 % pregnant women, and insufficient weight gain 12.5 %. Average rate of gestational weight gain in 2(nd) and 3(rd) trimester was independently associated with preterm birth (U-shaped), and the association varied by prepregnancy body mass indices and trimesters. In underweight women, excessive gestational weight gain was positively associated with preterm birth (OR 1.93, 95 % confidence interval (CI): 1.29- 2.88) when compared with women who gained adequately. While in overweight/obese women, insufficient gestational weight gain was positively associated with preterm birth (OR 3.92, 95 % CI: 1.13-13.67). When stratifying by trimester, we found that excessive weight gain in 3(rd) trimester had a significantly positive effect on preterm birth (OR 1.27, 95 % CI: 1.02-1.58).

Conclusions: Excessive gestational weight gain among underweight pregnant women, insufficient gestational weight gain among overweight/obese women and excessive gestational weight gain in 3(rd) trimester were important predictors of preterm birth.

Keywords: Chinese women; Prepregnancy body mass indices; Preterm birth; Rate of gestational weight gain; Trimester.

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Figures

**Fig. 1**
Adjusted ORs and 95 % CIs for preterm birth by gestational weight gain

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References

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1. Goldenberg RL, Culhane JF, Iams JD, Romero R. Epidemiology and causes of preterm birth. Lancet. 2008;371(9606):75–84. doi: 10.1016/S0140-6736(08)60074-4. - DOI - PMC - PubMed
1. Hutcheon JA, Bodnar LM, Joseph KS, Abrams B, Simhan HN, Platt RW. The bias in current measures of gestational weight gain. Paediatr Perinat Epidemiol. 2012;26(2):109–16. doi: 10.1111/j.1365-3016.2011.01254.x. - DOI - PMC - PubMed

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[1] Black RE, Cousens S, Johnson HL, Lawn JE, Rudan I, Bassani DG, et al. Global, regional, and national causes of child mortality in 2008: a systematic analysis. Lancet. 2010;375:1969–87. doi: 10.1016/S0140-6736(10)60549-1. - DOI - PubMed

[2] Black RE, Cousens S, Johnson HL, Lawn JE, Rudan I, Bassani DG, et al. Global, regional, and national causes of child mortality in 2008: a systematic analysis. Lancet. 2010;375:1969–87. doi: 10.1016/S0140-6736(10)60549-1. - DOI - PubMed

[3] Lumley J. Defining the problem: the epidemiology of preterm birth. BJOG: An International Journal of Obstetrics and Gynaecology. 2003;110:3–7. doi: 10.1016/S1470-0328(03)00011-9. - DOI - PubMed

[4] Lumley J. Defining the problem: the epidemiology of preterm birth. BJOG: An International Journal of Obstetrics and Gynaecology. 2003;110:3–7. doi: 10.1016/S1470-0328(03)00011-9. - DOI - PubMed

[5] Petrou S. The economic consequences of preterm birth during the first 10 years of life. BJOG : an international journal of obstetrics and gynaecology. 2005;112 Suppl 1:10–5. - PubMed

[6] Petrou S. The economic consequences of preterm birth during the first 10 years of life. BJOG : an international journal of obstetrics and gynaecology. 2005;112 Suppl 1:10–5. - PubMed

[7] Goldenberg RL, Culhane JF, Iams JD, Romero R. Epidemiology and causes of preterm birth. Lancet. 2008;371(9606):75–84. doi: 10.1016/S0140-6736(08)60074-4. - DOI - PMC - PubMed

[8] Goldenberg RL, Culhane JF, Iams JD, Romero R. Epidemiology and causes of preterm birth. Lancet. 2008;371(9606):75–84. doi: 10.1016/S0140-6736(08)60074-4. - DOI - PMC - PubMed

[9] Hutcheon JA, Bodnar LM, Joseph KS, Abrams B, Simhan HN, Platt RW. The bias in current measures of gestational weight gain. Paediatr Perinat Epidemiol. 2012;26(2):109–16. doi: 10.1111/j.1365-3016.2011.01254.x. - DOI - PMC - PubMed

[10] Hutcheon JA, Bodnar LM, Joseph KS, Abrams B, Simhan HN, Platt RW. The bias in current measures of gestational weight gain. Paediatr Perinat Epidemiol. 2012;26(2):109–16. doi: 10.1111/j.1365-3016.2011.01254.x. - DOI - PMC - PubMed

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Rate of gestational weight gain and preterm birth in relation to prepregnancy body mass indices and trimester: a follow-up study in China

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Rate of gestational weight gain and preterm birth in relation to prepregnancy body mass indices and trimester: a follow-up study in China

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