# Study of 2 million newborns ties skipped vitamin K shot to higher bleeding risk

- Link: https://www.widthness.com/study-of-2-million-newborns-ties-skipped-vitamin-k-shot-to-higher-bleeding-risk/
- Published: 2026-08-02T09:45:00-05:00
- Author: Curated by John Wysocki

Photo credit: Jimmy Conover via Unsplash. Article by  Sanjukta Mondal. Medical Xpress – August 1, 2026. Research article: JAMA Pediatrics. Newborns receive several routine immunizations shortly after birth. Prophylactic vitamin K is one such recommended shot. It activates several coagulation factors necessary for blood to clot properly, preventing vitamin K deficiency bleeding (VKDB), a condition that can be life-threatening. As more parents refuse prophylactic vitamin K for their children, researchers in Sweden wanted to examine trends in newborn vitamin K shots over time and any associations with infant bleeding diagnoses. […] Click here to view original web page at www.medicalxpress.com Curated by John Wysocki See Full Bio