Bleeding disorders

Newborns (preterm in particular) have relatively low levels of pro-coagulation factors (vitamin K dependent factors), diminished platelet functions (their levels are similar to adults), as well as low anti-coagulation factors (antithrombin III, protein C). Nevertheless, both pro- and anti-coagulation systems are in balance and hemorrhagic or thrombotic events are not usually observed. The levels of fibrinogen, factor V,…