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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; Schiøler Kesmodel, Ulrik; Brink Henriksen, Tine.
  • Mølholm Hansen B; Department of Paediatrics and Adolescent Medicine, Nordsjaellands Hospital in Hilleroed, Hilleroed, Denmark.
  • Cueto H; The Danish Clinical Quality Program - National Clinical Registries (RKKP), Aarhus, Denmark.
  • Padkaer Petersen J; Department of Paediatrics and Adolescent Medicine, Aarhus University Hospital, Aarhus, Denmark.
  • Zachariassen G; Hans Christian Andersen Children's Hospital, Odense University Hospital and University of Southern Denmark, Odense, Denmark.
  • Sønderby Christensen P; Department of Paediatrics, Aalborg University Hospital, Aalborg, Denmark.
  • Breindahl M; Department of Intensive Care for Newborns and Infants, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark.
  • Schiøler Kesmodel U; Department of Obstetrics and Gynaecology, Aalborg University Hospital, Aalborg, Denmark.
  • Brink Henriksen T; Department of Paediatrics and Adolescent Medicine, Aarhus University Hospital, Aarhus, Denmark.
Acta Paediatr ; 111(9): 1695-1700, 2022 Sep.
Article in English | MEDLINE | ID: covidwho-1985647
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.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Premature Birth / Pandemics / COVID-19 Type of study: Observational study / Prognostic study / Randomized controlled trials Limits: Female / Humans / Infant, Newborn / Pregnancy Country/Region as subject: Europa Language: English Journal: Acta Paediatr Year: 2022 Document Type: Article Affiliation country: Apa.16401

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Premature Birth / Pandemics / COVID-19 Type of study: Observational study / Prognostic study / Randomized controlled trials Limits: Female / Humans / Infant, Newborn / Pregnancy Country/Region as subject: Europa Language: English Journal: Acta Paediatr Year: 2022 Document Type: Article Affiliation country: Apa.16401