Preterm birth rates among twins during the Danish COVID-19 lockdown and when restrictions were relaxed

Affiliations

• ¹ Department for Congenital Disorders, Statens Serum Institut, Copenhagen, Denmark.
• ² Brazen Bio, Los Angeles, California, USA.
• ³ Danish Center for Neonatal Screening, Statens Serum Institut, Copenhagen, Denmark.
• ⁴ Department of Obstetrics and Gynecology, Copenhagen University Hospital, Copenhagen, Denmark.
• ⁵ Department of Epidemiology Research, Statens Serum Institut, Copenhagen, Denmark.
• ⁶ Department of Haematology, Copenhagen University Hospital, Copenhagen, Denmark.
• ⁷ Danish Cancer Society, Copenhagen, Denmark.
• ⁸ Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark.
• ⁹ Department of Medicine, Stanford University School of Medicine, Stanford, California, USA.
• ¹⁰ Department of Neonatology, Copenhagen University Hospital, Copenhagen, Denmark.
• ¹¹ Department of Obstetrics and Gynecology, Copenhagen University Hospital, Amager and Hvidovre Hospital, Copenhagen, Denmark.
• ¹² Department of Drug Development and Clinical Pharmacology, Pharmacovigilance Research Center, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.
• ¹³ Department of Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark.