Preterm birth rates were slightly lower in Denmark during the first year of the COVID-19 pandemic compared with the previous 4 years

Research output: Contribution to journal › Journal article › Research › peer-review

Standard

Preterm birth rates were slightly lower in Denmark during the first year of the COVID-19 pandemic compared with the previous 4 years. / Mølholm Hansen, Bo; Cueto, Heidi; Padkaer Petersen, Jesper; Zachariassen, Gitte; Sønderby Christensen, Pia; Breindahl, Morten; Kesmodel, Ulrik Schiøler; Henriksen, Tine Brink.

In: Acta Pædiatrica, Vol. 111, No. 9, 2022, p. 1695-1700.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Mølholm Hansen, B, Cueto, H, Padkaer Petersen, J, Zachariassen, G, Sønderby Christensen, P, Breindahl, M, Kesmodel, US & Henriksen, TB 2022, 'Preterm birth rates were slightly lower in Denmark during the first year of the COVID-19 pandemic compared with the previous 4 years', Acta Pædiatrica, vol. 111, no. 9, pp. 1695-1700. https://doi.org/10.1111/apa.16401

APA

Mølholm Hansen, B., Cueto, H., Padkaer Petersen, J., Zachariassen, G., Sønderby Christensen, P., Breindahl, M., Kesmodel, U. S., & Henriksen, T. B. (2022). Preterm birth rates were slightly lower in Denmark during the first year of the COVID-19 pandemic compared with the previous 4 years. Acta Pædiatrica, 111(9), 1695-1700. https://doi.org/10.1111/apa.16401

Vancouver

Mølholm Hansen B, Cueto H, Padkaer Petersen J, Zachariassen G, Sønderby Christensen P, Breindahl M et al. Preterm birth rates were slightly lower in Denmark during the first year of the COVID-19 pandemic compared with the previous 4 years. Acta Pædiatrica. 2022;111(9):1695-1700. https://doi.org/10.1111/apa.16401

Author

Mølholm Hansen, Bo ; Cueto, Heidi ; Padkaer Petersen, Jesper ; Zachariassen, Gitte ; Sønderby Christensen, Pia ; Breindahl, Morten ; Kesmodel, Ulrik Schiøler ; Henriksen, Tine Brink. / Preterm birth rates were slightly lower in Denmark during the first year of the COVID-19 pandemic compared with the previous 4 years. In: Acta Pædiatrica. 2022 ; Vol. 111, No. 9. pp. 1695-1700.

Bibtex

@article{5d3dc8a47bab45a29aed14f6a6405c6c,
title = "Preterm birth rates were slightly lower in Denmark during the first year of the COVID-19 pandemic compared with the previous 4 years",
abstract = "Aim: Our aim was to investigate the rates of preterm births, live births and stillbirths in Denmark during the first year of the COVID-19 pandemic. Methods: This was a national, cross-sectional registry-based study that used the Danish Newborn Quality database, which covers all births in Denmark. The proportions of preterm births were compared between the COVID-19 pandemic period of 1 March 2020 to 28 February 2021 and the preceding 4-year pre-pandemic period. Results: We studied 60 323 and 244 481 newborn infants from the pandemic and pre-pandemic periods, respectively. The proportion of preterm live births and stillbirths declined slightly, from 6.29% during the pre-pandemic period to 6.02% during the pandemic period. This corresponded to a relative risk (RR) of 0.96, with a 95% confidence interval (CI) of 0.93–0.99 during the pandemic. The RRs for extremely preterm, very preterm and moderately preterm infants were 0.88 (95% CI 0.76–1.02), 0.91 (95% CI 0.82–1.02) and 0.97 (95% CI 0.93–1.01), respectively. Conclusion: This comparative study showed a small reduction in just over 4%, from 6.29 to 6.02% in the proportion of all preterm births during the pandemic period, compared with the previous four pandemic-free years. There were no differences between subcategories of preterm births.",
keywords = "COVID-19, Denmark, pandemic, preterm infants, stillbirths",
author = "{M{\o}lholm Hansen}, Bo and Heidi Cueto and {Padkaer Petersen}, Jesper and Gitte Zachariassen and {S{\o}nderby Christensen}, Pia and Morten Breindahl and Kesmodel, {Ulrik Schi{\o}ler} and Henriksen, {Tine Brink}",
note = "Publisher Copyright: {\textcopyright} 2022 Foundation Acta P{\ae}diatrica. Published by John Wiley & Sons Ltd.",
year = "2022",
doi = "10.1111/apa.16401",
language = "English",
volume = "111",
pages = "1695--1700",
journal = "Acta Paediatrica",
issn = "0803-5253",
publisher = "Wiley-Blackwell",
number = "9",

}

RIS

TY - JOUR

T1 - Preterm birth rates were slightly lower in Denmark during the first year of the COVID-19 pandemic compared with the previous 4 years

AU - Mølholm Hansen, Bo

AU - Cueto, Heidi

AU - Padkaer Petersen, Jesper

AU - Zachariassen, Gitte

AU - Sønderby Christensen, Pia

AU - Breindahl, Morten

AU - Kesmodel, Ulrik Schiøler

AU - Henriksen, Tine Brink

N1 - Publisher Copyright: © 2022 Foundation Acta Pædiatrica. Published by John Wiley & Sons Ltd.

PY - 2022

Y1 - 2022

N2 - Aim: Our aim was to investigate the rates of preterm births, live births and stillbirths in Denmark during the first year of the COVID-19 pandemic. Methods: This was a national, cross-sectional registry-based study that used the Danish Newborn Quality database, which covers all births in Denmark. The proportions of preterm births were compared between the COVID-19 pandemic period of 1 March 2020 to 28 February 2021 and the preceding 4-year pre-pandemic period. Results: We studied 60 323 and 244 481 newborn infants from the pandemic and pre-pandemic periods, respectively. The proportion of preterm live births and stillbirths declined slightly, from 6.29% during the pre-pandemic period to 6.02% during the pandemic period. This corresponded to a relative risk (RR) of 0.96, with a 95% confidence interval (CI) of 0.93–0.99 during the pandemic. The RRs for extremely preterm, very preterm and moderately preterm infants were 0.88 (95% CI 0.76–1.02), 0.91 (95% CI 0.82–1.02) and 0.97 (95% CI 0.93–1.01), respectively. Conclusion: This comparative study showed a small reduction in just over 4%, from 6.29 to 6.02% in the proportion of all preterm births during the pandemic period, compared with the previous four pandemic-free years. There were no differences between subcategories of preterm births.

AB - Aim: Our aim was to investigate the rates of preterm births, live births and stillbirths in Denmark during the first year of the COVID-19 pandemic. Methods: This was a national, cross-sectional registry-based study that used the Danish Newborn Quality database, which covers all births in Denmark. The proportions of preterm births were compared between the COVID-19 pandemic period of 1 March 2020 to 28 February 2021 and the preceding 4-year pre-pandemic period. Results: We studied 60 323 and 244 481 newborn infants from the pandemic and pre-pandemic periods, respectively. The proportion of preterm live births and stillbirths declined slightly, from 6.29% during the pre-pandemic period to 6.02% during the pandemic period. This corresponded to a relative risk (RR) of 0.96, with a 95% confidence interval (CI) of 0.93–0.99 during the pandemic. The RRs for extremely preterm, very preterm and moderately preterm infants were 0.88 (95% CI 0.76–1.02), 0.91 (95% CI 0.82–1.02) and 0.97 (95% CI 0.93–1.01), respectively. Conclusion: This comparative study showed a small reduction in just over 4%, from 6.29 to 6.02% in the proportion of all preterm births during the pandemic period, compared with the previous four pandemic-free years. There were no differences between subcategories of preterm births.

KW - COVID-19

KW - Denmark

KW - pandemic

KW - preterm infants

KW - stillbirths

U2 - 10.1111/apa.16401

DO - 10.1111/apa.16401

M3 - Journal article

C2 - 35535429

AN - SCOPUS:85130440632

VL - 111

SP - 1695

EP - 1700

JO - Acta Paediatrica

JF - Acta Paediatrica

SN - 0803-5253

IS - 9

ER -

ID: 313090491