Vitamin K Prophylaxis in Newborns

Date: April 8, 2026
Reason for Alert: Recent data from a retrospective cohort study of more than 5 million newborns demonstrate a statistically significant increase in the proportion of newborns who do not receive intramuscular vitamin K prophylaxis at birth (Scott et al., 2026). This trend raises concerns about increasing risk for preventable vitamin K deficiency bleeding (VKDB) and reflects growing variability in acceptance of standard newborn care practices. The American Academy of Pediatrics (AAP) continues to recommend intramuscular vitamin K for all newborns as the most effective method to prevent VKDB (Hand et al., 2022).

Potential Risks of the Stated Issue:

Although the absolute increase in non-receipt appears modest, the size of the birth population means that even small percentage changes place tens of thousands of infants at risk for preventable morbidity and mortality (Scott et al., 2026).

Newborns are at risk for VKDB due to low vitamin K stores at birth, limited placental transfer, poor gastrointestinal absorption, and low concentrations in breast milk (Scott et al., 2026). VKDB may present as early, classic, or late bleeding, including life-threatening intracranial hemorrhage (Hand et al., 2022).

Despite the effectiveness of vitamin K prophylaxis, incidence of VKDB is increasing, largely attributable to parental declination and use of less effective alternative regimens (Hand et al., 2022). Late-onset VKDB, which often presents with intracranial bleeding, occurs most commonly in infants who did not receive prophylaxis and are exclusively breastfed (Centers for Disease Control and Prevention, 2025; Hand et al., 2022).

Learn more about VKDB here.

Recommendations for Practice:

  1. Provide standardized, evidence-based education
    • Clearly communicate that intramuscular vitamin K is standard newborn care and the most effective strategy to prevent VKDB.
    • Oral vitamin K is not as effective and requires repeated doses over several months.
  2. Initiate education early in the perinatal period
    • Incorporate vitamin K education into prenatal care, childbirth education, and admission workflows to support informed decision-making prior to birth.
  3. Use consistent, interdisciplinary messaging
    • Ensure alignment across nurses, midwives, physicians, and other team members to reduce variation in counseling and reinforce consistent messaging.
  4. Address parental concerns using respectful, nonjudgmental communication
    • Discuss common concerns (e.g., safety, necessity, pain) and provide evidence-based responses. Counsel families on both the benefits of prophylaxis and risks of declination.
  5. Ensure timely administration and accurate documentation
    • Administer vitamin K within recommended timeframes and document education, consent, declination, and follow-up plans.
  6. Monitor and respond to local trends in non-receipt
    • Track vitamin K administration and declination rates to identify patterns, inform staff education, and support quality improvement initiatives.

Benefits of Recommendations:

Implementation of these strategies may improve consistency in clinical practice, enhance patient and family understanding of vitamin K prophylaxis, and reduce variation in counseling. These efforts can help reduce the incidence of preventable VKDB and associated morbidity and mortality.

References

Centers for Disease Control and Prevention. (2025, January 17). Vitamin K deficiency bleeding. https://www.cdc.gov/vitamin-k-deficiency/about/index.html

Hand, I., Noble, L., & Abrams, S. A. (2022). Vitamin K and the newborn infant. Pediatrics, 149(3), e2021056036. https://doi.org/10.1542/peds.2021-056036

Scott, K., Miller, E., Culhane, J. F., Greenspan, J., Handley, S. C., Lo, J. Y., Knake, L. A., McKenney, K. M., Burris, H. H., & Dysart, K. (2026). Trends in vitamin k administration among infants. JAMA, 335(3), 272–274. https://doi.org/10.1001/jama.2025.21460