Wen Jiang1, Minjia Mo2, Shuting Si2, Jinhua Wu1, Liuyan Pu1, Manxian Huang1, Bule Shao2, Xing Xin2, Shuojia Wang2, Yu Shen2, Yunxian Yu3. 1. Zhoushan Maternal and Child Care Hospital, Zhoushan, China. 2. Department of Epidemiology & Health Statistics, School of Public Health, School of Medicine, Zhejiang University, Hangzhou, China. 3. Department of Epidemiology & Health Statistics, School of Public Health, School of Medicine, Zhejiang University, Hangzhou, China. yunxianyu@zju.edu.cn.
Abstract
To investigate the association of chronic hypertension, gestational hypertension, and preeclampsia diseases with infant growth in the first 36 months of life, we conducted a retrospective birth cohort of 31,734 children born in Zhoushan Maternal and Child Care Hospital between January 2001 and May 2018. Birthweight, gestational age, and infant growth (weight, height, weight/height-for-age Z score, the weight gain during childhood) were the main outcomes. The associations of chronic hypertension, gestational hypertension, and preeclampsia diseases with birth outcomes and infant growth at children's age of 3, 6, 12, 18, and 24 months were analyzed by multivariable regression models. Gestational hypertension, preeclampsia diseases, and chronic hypertension were significantly associated with lower birthweight and shorter gestational age. Both gestational hypertension and preeclampsia diseases were respectively inversely associated with weight, weight-for-age Z score, height, and height-for-age Z score of children in the whole sample and sub-sample data analysis from birth to the age of 36 months, although correction for birthweight rendered the associations nonsignificant. No significant association of gestational hypertension, preeclampsia diseases, and chronic hypertension with weight gain was found. Conclusion: The inverse associations of gestational hypertension and preeclampsia diseases with infant growth in early childhood were mainly mediated by the effect of gestational hypertension and preeclampsia diseases on lower birthweight. What is Known: • Hypertensive disorders of pregnancy are associated with increased risk of adverse birth outcomes. What is New: • Both gestational hypertension and preeclampsia were respectively inversely associated with physical development of offspring from birth to the age of 36 months. • Lower birthweight might be the mediator of the inverse associations of gestational hypertension and preeclampsia diseases with infant growth in early childhood.
To investigate the association of chronic hypertension, gestational hypertension, and preeclampsia diseases with infant growth in the first 36 months of life, we conducted a retrospective birth cohort of 31,734 children born in Zhoushan Maternal and Child Care Hospital between January 2001 and May 2018. Birthweight, gestational age, and infant growth (weight, height, weight/height-for-age Z score, the weight gain during childhood) were the main outcomes. The associations of chronic hypertension, gestational hypertension, and preeclampsia diseases with birth outcomes and infant growth at children's age of 3, 6, 12, 18, and 24 months were analyzed by multivariable regression models. Gestational hypertension, preeclampsia diseases, and chronic hypertension were significantly associated with lower birthweight and shorter gestational age. Both gestational hypertension and preeclampsia diseases were respectively inversely associated with weight, weight-for-age Z score, height, and height-for-age Z score of children in the whole sample and sub-sample data analysis from birth to the age of 36 months, although correction for birthweight rendered the associations nonsignificant. No significant association of gestational hypertension, preeclampsia diseases, and chronic hypertension with weight gain was found. Conclusion: The inverse associations of gestational hypertension and preeclampsia diseases with infant growth in early childhood were mainly mediated by the effect of gestational hypertension and preeclampsia diseases on lower birthweight. What is Known: • Hypertensive disorders of pregnancy are associated with increased risk of adverse birth outcomes. What is New: • Both gestational hypertension and preeclampsia were respectively inversely associated with physical development of offspring from birth to the age of 36 months. • Lower birthweight might be the mediator of the inverse associations of gestational hypertension and preeclampsia diseases with infant growth in early childhood.
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