Gestational diabetes mellitus(GDM)and gestational weight gain(GWG)are important risk factors that are known to affect offspring growth,but these outcomes are inconsistent and it remains unknown if both risk factors have a synergetic effect on early childhood growth.The present study aimed to conduct offspring body mass index-for-age Z-scores(BMIZ)trajectories and to evaluate the independent and interactive effect of the status of GDM and excessive GWG on the risks of overweight/obesity from birth to 24 months of age.Methods:A total of 7949 mother-child pairs were enrolled in this study.The weight and length of children were measured at birth,6,12,and 24 months of age to calculate BMIZ.Results:The status of GDM was positively associated with offspring BMIZ and risk of macrosomia at birth but was not associated with offspring BMIZ or the risks of overweight/obesity at 6,12,and 24 months of age.In contrast,excessive GWG was positively linked to offspring BMIZ,the stable high BMIZ trajectory pattern,and risks of overweight/obesity in the first 24 months of age.These two risk factors also had a significant synergistic effect on macrosomia at birth,but the interactive effect was only significant in boys during the follow-up years in the sex-stratified analyses.Conclusion:The maternal GWG was a more pronounced predictor than GDM with relation to BMIZ and risk of overweight/obesity in early childhood.The interactive effect between these risk factors on offspring overweight/obesity may vary by sex.

Qi LIU;Wei XIA;Xin XIONG;Ju-xiao LI;Ying LI;Shun-qing XU;Yuan-yuan LI

Key Laboratory of Environment and Health,Ministry of Education and Ministry of Environmental Protection,and State Key Laboratory of Environmental Health,School of Public Health,Tongji Medical College,Huazhong University of Science and Technology,Wuhan 430030,China

当代医学科学(英文)

[1]Qi LIU;Wei XIA;Xin XIONG;Ju-xiao LI;Ying LI;Shun-qing XU;Yuan-yuan LI-.Associations of Gestational Diabetes Mellitus and Excessive Gestational Weight Gain with Offspring Obesity Risk)[J].当代医学科学(英文),2022(03):520-529

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