Vitamin K Deficiency Bleeding (VKDB) previously known as Hemorrhage Disease of the Newborn (HDN), is a well-known clinical entity for over 100 years. Vitamin K is required for the synthesis of coagulation factors that prevent and control bleeding. All neonates have low levels of Vitamin K owing to poor transport of Vitamin K across placenta, low Vitamin K content in breast milk, and because gut colonization that is critical for its synthesis takes a few days to establish. There are three forms of VKDB. … Continue readingVitamin K Deficiency in Newborn (VKDB) by GS India Academy Lucknow