Increase in Infant Bleeding Cases as More Parents Refuse Vitamin K Shots

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Recent findings reveal a significant rise in infant bleeding incidents linked to the refusal of vitamin K shots by parents. A comprehensive study involving the medical records of 11 million infants shows a troubling increase in these cases.

Study Findings and Statistics

Between 2017 and 2025, the percentage of newborns receiving the vitamin K shot decreased from 97.7% to 95%. This decline coincided with a 347% rise in vitamin K deficiency bleeding (VKDB) and a 216% rise in vitamin K deficiency (VKD). The results were published in JAMA Pediatrics following research by Virginia Commonwealth University.

“We found that the answer is undeniably yes, with the rates of VKD and VKDB multiplying over the course of our study,” said Dr. Elizabeth Wolf, a lead researcher and pediatrician at Children’s Hospital of Richmond at VCU.

The Role of Vitamin K

Vitamin K plays a crucial role in helping blood clot. Newborns typically have low levels of vitamin K because little of it crosses the placenta, breast milk contains minimal amounts, and their gut hasn’t developed the bacteria needed to produce it. Since 1961, a vitamin K shot at birth has been a standard practice to prevent dangerous bleeding.

Dr. Wolf emphasized that the increase in VKD and VKDB shows the real-world consequences of the growing distrust in medical practices.

Impacts and Consequences

Vitamin K deficiency can lead to severe consequences such as bruising and bleeding at the umbilicus within a week after birth. The deficiency poses a 30% to 60% risk of intracranial hemorrhage, which can result in seizures, permanent brain damage, or even death.

The research highlights that 7% of infants with VKD and 2% with VKDB developed intracranial or intracerebral hemorrhage. Dr. Wolf stressed the importance of understanding parental refusal and improving the uptake of vitamin K.