Journal
CHINA CDC WEEKLY
Volume 3, Issue 37, Pages 788-792Publisher
Chinese Center for Disease Control and Prevention
DOI: 10.46234/ccdcw2021.196
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Funding
- National Key Research and Development Program of China [2018YFC1004303]
- National Natural Science Foundation of China [41871360]
- National Health Commission Key Laboratory of Birth Defects and Prevention, Henan Province [ZD202002]
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The study showed a decrease in the incidence of macrosomia over the years, with male infants and infants gestational weeks >= 42 having a significantly higher risk of macrosomia compared to female infants and infants gestational weeks <42.
Introduction: Macrosomia has short-term and long-term adverse health effects and is thus an important public health concern. Recent decades have witnessed increasing incidence of macrosomia in many countries. Methods: The present study used a large population-based birth cohort study to depict incidence of macrosomia among live births in rural areas of Henan Province of China from 2013 to 2017. Results: Among the 1,262,916 births, 82,353 were cases of macrosomia. The overall incidence of all types of macrosomia, of macrosomia with birth weight <4,500 g, and of macrosomia with birth weight >= 4,500 g were 6.52%, 5.30%, and 1.22%, respectively. From 2013 to 2017, the incidence of macrosomia decreased by 31.3% from 7.96% in 2013 to 5.47% in 2017 (chi(2)(trend) = 946.96, <0.001). Male infants and infants >= 42 gestational weeks had significantly higher incidence of macrosomia than that of female infants and infants <42 gestational weeks (P<0.001). Conclusion: Gestational weight control through nutrition management and physical activities during pregnancy are needed to reduce incidence of macrosomia.
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