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Establishing Postnatal Growth Monitoring Curves of Preterm Infants in China: Allowing for Continuous Use from 24 Weeks of Preterm Birth to 50 Weeks

Department of Growth and Development, Capital Institute of Pediatrics, Beijing 100020, China
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Academic Editors: Paola Roggero, Hans Demmelmair and Sébastien Bailly
Nutrients 2022, 14(11), 2232; https://doi.org/10.3390/nu14112232
Received: 31 March 2022 / Revised: 16 May 2022 / Accepted: 25 May 2022 / Published: 27 May 2022
(This article belongs to the Special Issue Nutritional Assessment and Clinical Care of Premature Infant)
Background: Early postnatal growth monitoring and nutrition assessment for preterm infants is a public health and clinical concern. We aimed to establish a set of postnatal growth monitoring curves of preterm infants to better help clinicians make in-hospital and post-discharge nutrition plan of these vulnerable infants. Methods: We collected weight, length and head circumference data from a nationwide survey in China between 2015 and 2018. Polynomial regression and the modified LMS methods were employed to construct the smoothed weight, length and head circumference growth curves. Results: We established the P3, P10, P25, P50, P75, P90, P97 reference curves of weight, length and head circumference that allowed for continuous use from 24 weeks of preterm birth to 50 weeks and developed a set of user-friendly growth monitoring charts. We estimated approximate ranges of weight gain per day and length and head circumference gains per week. Conclusions: Our established growth monitoring curves, which can be used continuously without correcting gestational age from 24 weeks of preterm birth to 50 weeks, may be useful for assessment of postnatal growth trajectories, definition of intrauterine growth retardation at birth, and classification of early nutrition status for preterm infants. View Full-Text
Keywords: preterm infant; premature; nutrition; weight; length; head circumference; growth curve; growth reference preterm infant; premature; nutrition; weight; length; head circumference; growth curve; growth reference
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MDPI and ACS Style

Zong, X.; Li, H.; Zhang, Y. Establishing Postnatal Growth Monitoring Curves of Preterm Infants in China: Allowing for Continuous Use from 24 Weeks of Preterm Birth to 50 Weeks. Nutrients 2022, 14, 2232. https://doi.org/10.3390/nu14112232

AMA Style

Zong X, Li H, Zhang Y. Establishing Postnatal Growth Monitoring Curves of Preterm Infants in China: Allowing for Continuous Use from 24 Weeks of Preterm Birth to 50 Weeks. Nutrients. 2022; 14(11):2232. https://doi.org/10.3390/nu14112232

Chicago/Turabian Style

Zong, Xin’nan, Hui Li, and Yaqin Zhang. 2022. "Establishing Postnatal Growth Monitoring Curves of Preterm Infants in China: Allowing for Continuous Use from 24 Weeks of Preterm Birth to 50 Weeks" Nutrients 14, no. 11: 2232. https://doi.org/10.3390/nu14112232

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