Abstract
IntroductionMacrosomia 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.MethodsThe 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.ResultsAmong 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 _{trend}^2 =946.96, {P}_{trend} <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). ConclusionGestational weight control through nutrition management and physical activities during pregnancy are needed to reduce incidence of macrosomia.
Highlights
Macrosomia has short-term and long-term adverse health effects and is an important public health concern
Macrosomia refers to livebirths with birth weight ≥4,000 g and is an important public health concern
Earlier research has found significant differences in macrosomia incidence between urban and rural areas [5], yet most studies were mainly based on hospital data in urban areas, especially in southern or northern regions
Summary
Macrosomia has short-term and long-term adverse health effects and is an important public health concern. Recent decades have witnessed increasing incidence of macrosomia in many countries. Recent decades witnessed rising trends in incidence of macrosomia in many developing countries [2]. Due to lack of a national vital statistics system with detailed information on birth indicators, China’s secular and temporal changes in macrosomia incidence were unclear, with large variations across years and regions in different reports [3,4]. Henan, located in central China, was among the largest populated and agricultural provinces in China with over 109 million people, while its incidence of adverse pregnancy outcomes including macrosomia was scarcely reported. The aim of the present study was to use a large population-based birth cohort study to depict the incidence of the macrosomia among live births in rural areas of Henan Province of China from 2013 to 2017
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