Shuting Song, Zhicheng Zhu, Weiying Mao, Yan Zhu, Rong Zhang, Xinghe Bu, Heqin Li, Yanqing Han, Yuntao Cao, Yuan Gao, Yin-Ping Qiu, Guangyou Wei, Pingping Zhang, Jijian Xie, Min Wang, Chao Chen, Li Zhu
BACKGROUND: With the increasing survival rate of smaller newborns and twins, previous growth curves may not accurately assess the growth of extremely preterm infants (EPIs). Our study aimed to establish birth weight percentile curves for singletons and twins in EPIs from China and the USA and compare the differences between them. METHODS: In China, EPIs were from 31 provinces, from 2010 to 2021. The collected information was sex, gestational age, birth weight, singletons and twins...
April 16, 2024: BMJ Paediatrics Open