Is the Gestational Weight Gain Recommended by the National Academy of Medicine Guidelines Suitable for Chinese Twin-Pregnant Women with Gestational Diabetes Mellitus?

Abstract

Objectives This study aimed to assess the applicability of the National Academy of Medicine (NAM) interim guidelines for twin pregnancies to the specific population of gestational diabetes mellitus by exploring the relationship between gestational weight gain and adverse pregnancy outcomes in Chinese twin-pregnant women with gestational diabetes mellitus.

Study Design This was a retrospective cohort study of women diagnosed with diabetes in pregnancy between July 2017 and December 2020 at the Maternal and Child Health Hospital in Chongqing, China. The primary variable of interest was maternal total gestational weight gain. The primary outcomes were perinatal outcomes, which included: preeclampsia, small for gestational age, large for gestational age, low birth weight, neonatal pneumonia, neonatal respiratory distress syndrome, and neonatal intensive unit admission, etc. The association between inappropriate gestational weight gain and adverse pregnancy outcomes was estimated using multiple logistic regression analysis.

Results A total of 455 twin-pregnant women who had gestational diabetes mellitus were analyzed. Women with low gestational weight gain had reduced risk of preeclampsia (adjusted odds ratio [aOR], 0.32; 95% CI or confidence interval, 0.17–0.63; p = 0.001) and their infants had higher risks of small for gestational age (aOR, 1.93; 95% CI, 1.04–3.58; p = 0.037), low birth weight (aOR, 2.27; 95% CI, 1.32–3.90; p = 0.003), neonatal intensive unit admission (aOR, 3.29; 95% CI, 1.10–5.78; p = 0.038), pneumonia (aOR, 2.41; 95% CI, 1.08–5.33; p = 0.031), and neonatal respiratory distress syndrome (aOR, 2.29; 95% CI, 1.10–4.78; p = 0.027); the infants of women with excessive gestational weight gain had a higher risk of large for gestational age (aOR, 3.76; 95% CI, 1.42–9.96; p = 0.008).

Conclusion Gestational weight gain controlled within the range recommended by the NAM could reduce the risk of perinatal adverse outcomes. The 2009 NAM gestational weight gain recommendations can be used for Chinese twin-pregnant women with gestational diabetes mellitus.

Key Points

• Inappropriate gestational weight gain can lead to adverse perinatal outcomes in twin pregnancies.

• Gestational weight gain controlled within recommended range could reduce the risk of poor perinatal outcomes.

• The National Academy of Medicine recommendations are suitable for Chinese twin-pregnant women with GDM.

Keywords

twins - gestational weight gain - gestational diabetes mellitus - adverse perinatal outcomes

Ethical Statement

The study was approved by the Ethics Committee of Chongqing Women's and Children's Health Centre. ([2020] Trial [Division] No. 022)

Authors' Contributions

Y.L. and X.C. contributed toward the concept and design. J.D. and X.F. drafted the manuscript. J.D., X.F., R.T., J.X., L.P., and Y.C. did the statistical analysis. Y.L., X.C., and Z.Z. provided the administrative, technical, or material support. J.H. and J.B. did the supervision. All authors did the critical revision of the manuscript for important intellectual content. They had full access to all the data in the study and took responsibility for the integrity, accuracy, acquisition, analysis, and interpretation of the data.

Note

The funder had no role in the design and conduct of the study, collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.

^* Jiamiao Dai and Xiaoxiao Fan contributed equally and share the first authorship.

Publication History

Received: 05 January 2022

Accepted: 03 June 2022

Article published online:
16 September 2022

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