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Danish premature birth rates during the COVID-19 lockdown

Authors :: Gitte Hedermann
Porntiva Poorisrisak
Michael Christiansen
Morten Breindahl
Ulrik Lausten-Thomsen
Marie Bækvad-Hansen
Mads Melbye
David M. Hougaard
Klaus Rostgaard
Henrik Hjalgrim
Paula L. Hedley
Source :: Archives of Disease in Childhood-Fetal and Neonatal Edition, Archives of Disease in Childhood. Fetal and Neonatal Edition, Hedermann, G, Hedley, P L, Bækvad-Hansen, M, Hjalgrim, H, Rostgaard, K, Poorisrisak, P, Breindahl, M, Melbye, M, Hougaard, D M, Christiansen, M & Lausten-Thomsen, U 2021, ' Danish premature birth rates during the COVID-19 lockdown ', Archives of Disease in Childhood: Fetal and Neonatal Edition, vol. 106, pp. F93-F95 . https://doi.org/10.1136/archdischild-2020-319990
Publication Year :: 2020
Publisher :: BMJ, 2020.
Abstract: To explore the impact of COVID-19 lockdown on premature birth rates in Denmark, a nationwide register-based prevalence proportion study was conducted on all 31 180 live singleton infants born in Denmark between 12 March and 14 April during 2015–2020.The distribution of gestational ages (GAs) was significantly different (p=0.004) during the lockdown period compared with the previous 5 years and was driven by a significantly lower rate of extremely premature children during the lockdown compared with the corresponding mean rate for the same dates in the previous years (OR 0.09, 95% CI 0.01 to 0.40, pThe reasons for this decrease are unclear. However, the lockdown has provided a unique opportunity to examine possible factors related to prematurity. Identification of possible causal mechanisms might stimulate changes in clinical practice.