[Verified Answer]: A mother brings her male newborn into the…

A mother brings her male newborn into the emergency room and tells the doctors that her son’s circumcision site will not stop bleeding. She also mentions blood in his urine, which is present in large amounts in his diapers. The provider notes bruises on the newborn’s arms and abdomen. The mother then tells the doctors that her son might have hemophilia because her father has the disease, and she could be a carrier. The provider asks her whether the father of the newborn has hemophilia, and she says, “no.” Neither the mother nor the newborn were ever tested for the disease before coming to the hospital. The boy is immediately admitted and blood is drawn for testing. Laboratory tests reveal that the newborn has a normal platelet count, prothrombin time (PT), and thrombin time (TT), but an abnormal activated partial thromboplastin time (APTT). Factors VIII, IX, and XI assays are also performed, and the newborn is found to have a deficiency in factor VIII, which leads the doctors to diagnose the newborn with hemophilia A.