Birth weight curves of singleton neonates with a gestational age of 24-42 weeks and their regional differences in 11 cities of China: an analysis of 93 720 cases

HUANG Xiao-Yun, ZHU Yuan-Fang, LIU Hui-Long, WU Guang-Wu, LIU Chuan-Yong, ZENG Ding-Yuan, HE Jun, SHI Qing-Xi, XU Jun, ZHU Bin, WANG Gao-Xiong, SHI Hao, LU Hao-Hua

Chinese Journal of Contemporary Pediatrics ›› 2022, Vol. 24 ›› Issue (5) : 482-491.

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Chinese Journal of Contemporary Pediatrics ›› 2022, Vol. 24 ›› Issue (5) : 482-491. DOI: 10.7499/j.issn.1008-8830.2112032
CLINICAL RESEARCH

Birth weight curves of singleton neonates with a gestational age of 24-42 weeks and their regional differences in 11 cities of China: an analysis of 93 720 cases

  • HUANG Xiao-Yun, ZHU Yuan-Fang, LIU Hui-Long, WU Guang-Wu, LIU Chuan-Yong, ZENG Ding-Yuan, HE Jun, SHI Qing-Xi, XU Jun, ZHU Bin, WANG Gao-Xiong, SHI Hao, LU Hao-Hua
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Abstract

Objective To develop the birth weight curve of singleton neonates with a gestational age of 24-42 weeks, and to investigate the regional differences of the birth weight curve. Methods A total of 11 maternal and child health hospitals with more than 7 000 neonates delivered annually were selected in 11 cities of China (Haikou, Guangzhou, Shenzhen, Liuzhou, Guilin, Quanzhou, Chongqing, Chengdu, Changsha, Ningbo, and Lianyungang), and all live singleton neonates delivered in the 11 hospitals from January 1, 2017 to December 31, 2020 were enrolled for the development of birth weight curves. Results A total of 93 720 singleton neonates with a gestational age of 24-42 weeks from the 11 cities were included in the study. The reference values of the 3rd-97th percentiles of birth weight of singleton neonates for the total of the 11 cities and for each of the 11 cities were established, and the birth weight percentile curves were drawn. The birth weight curve level of singleton neonates in Shenzhen and Quanzhou was almost the same as the average level of the 11 cities; the birth weight curve level of singleton neonates in Haikou, Guangzhou, Guilin, and Liuzhou was slightly lower than the average level of the 11 cities; the birth weight curve level of singleton neonates in Chongqing, Chengdu, and Changsha was slightly higher than the average level of the 11 cities; the birth weight curve level of singleton neonates in Ningbo and Lianyungang was higher than the average level of the 11 cities. The average birth weight curve level of singleton neonates in the 11 cities were very close to that of China Neonatal Cooperation Network in 2011-2014. Conclusions The reference values of the 3rd-97th percentiles of birth weight of singleton neonates for the total of the 11 cities and for each of the 11 cities are developed, which can be used as a reference for evaluating the intrauterine growth of singleton neonates in the region. The level of intrauterine growth of neonates in some cities is different from the national level. Citation:Chinese Journal of Contemporary Pediatrics, 2022, 24(5): 482-491

Key words

Intrauterine growth curve / Singleton / Birth weight / Neonate

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HUANG Xiao-Yun, ZHU Yuan-Fang, LIU Hui-Long, WU Guang-Wu, LIU Chuan-Yong, ZENG Ding-Yuan, HE Jun, SHI Qing-Xi, XU Jun, ZHU Bin, WANG Gao-Xiong, SHI Hao, LU Hao-Hua. Birth weight curves of singleton neonates with a gestational age of 24-42 weeks and their regional differences in 11 cities of China: an analysis of 93 720 cases[J]. Chinese Journal of Contemporary Pediatrics. 2022, 24(5): 482-491 https://doi.org/10.7499/j.issn.1008-8830.2112032

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