Applying the small vulnerable newborns classification in the US context

Eugenia Y Chock¹, Tyler Rice², Tingting Zhao³, Bridget Basile⁴, Tormod Rogne^{5

6}

Affiliations

¹ Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut, USA.
² Department of Pediatrics, Yale School of Medicine, New Haven, Connecticut, USA.
³ School of Nursing, Columbia University, New York, New York, USA.
⁴ School of Nursing, Yale University, Orange, Connecticut, USA.
⁵ Department of Community Medicine and Global Health, University of Oslo, Oslo, Norway.
⁶ Department of Chronic Disease Epidemiology, Yale School of Public Health, New Haven, Connecticut, USA.

Eugenia Y Chock et al. Int J Gynaecol Obstet. 2025.

. 2025 Aug 19.

doi: 10.1002/ijgo.70479. Online ahead of print.

Eugenia Y Chock¹, Tyler Rice², Tingting Zhao³, Bridget Basile⁴, Tormod Rogne^{5

6}

¹ Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut, USA.
² Department of Pediatrics, Yale School of Medicine, New Haven, Connecticut, USA.
³ School of Nursing, Columbia University, New York, New York, USA.
⁴ School of Nursing, Yale University, Orange, Connecticut, USA.
⁵ Department of Community Medicine and Global Health, University of Oslo, Oslo, Norway.
⁶ Department of Chronic Disease Epidemiology, Yale School of Public Health, New Haven, Connecticut, USA.

No abstract available

Keywords: perinatal epidemiology.

References

1. Hunter PJ, Awoyemi T, Ayede AI, et al. Biological and pathological mechanisms leading to the birth of a small vulnerable newborn. Lancet. 2023;401(10389):1720‐1732. doi:10.1016/S0140-6736(23)00573-1
1. Hofmeyr GJ, Black RE, Rogozińska E, et al. Evidence‐based antenatal interventions to reduce the incidence of small vulnerable newborns and their associated poor outcomes. Lancet. 2023;401(10389):1733‐1744. doi:10.1016/S0140-6736(23)00355-0
1. Ashorn P, Ashorn U, Muthiani Y, et al. Small vulnerable newborns—big potential for impact. Lancet. 2023;401(10389):1692‐1706. doi:10.1016/S0140-6736(23)00354-9
1. Lawn JE, Ohuma EO, Bradley E, et al. Small babies, big risks: global estimates of prevalence and mortality for vulnerable newborns to accelerate change and improve counting. Lancet. 2023;401(10389):1707‐1719. doi:10.1016/S0140-6736(23)00522-6
1. National Center for Health Statistics. User guide to the 2021 period/2020 cohort linked birth/infant death public use file. Web site. Updated 2024. Accessed March 1, 2024. https://ftp.cdc.gov/pub/Health_Statistics/NCHS/Dataset_Documentation/DVS...