Hemophilia is a rare, inherited bleeding disorder in which the blood doesn’t clot normally. Words. The most common form is hemophilia A, which affects the production of clotting factor VIII (“clotting factor 8”). In hemophilia A, there is a lack of clotting factor VIII. According to the National Heart, Lung, and Blood Institute (NHLBI), eight out of 10 people with hemophilia have hemophilia A. Hemophilia B, which is also called Christmas disease, is … There are two main types of hemophilia: A and B. Hemophilia B (Christmas Disease) - missing or low levels of clotting factor IX. As we’re covering in this article, there are two types, too, and Hemophilia A is the most common. Discuss the benefits and risks of testing with your doctor.In children and adults, a blood test can reveal a clotting-factor deficiency. A person with hemophilia B does not have enough factor IX (factor nine). This type of hemophilia also affects all ethnic groups equally, but it is about four times as rare as hemophilia A. Hemophilia B is also carried in the X chromosome, in an X-linked recessive manner, meaning that two hemophilia-carrying X chromosomes must be inherited for the disease to be active in women, but only in one X chromosome in men. This means that is a son inherits an X chromosome from his mother that has carries hemophilia, he will have hemophilia. The blood disorder affects all ethnic groups equally. This accounts for about 80% of all cases of hemophilia. Bleeding into a joint can result in permanent damage while bleeding in the brain can result in long term headaches, seizures, or a decreased level of c… Health care providers call these conditions by many different terms, including coagulopathy, abnormal bleeding, and clotting disorders. Hemophilia patients bleed for a longer time than others after an injury and may also bleed internally, particularly in the knees, ankles and elbows. This treatment must be administered carefully. Hemophilia A is the most common type of the condition; 1 in 4,000 to 1 in 5,000 males worldwide are born with this disorder. Hemophilia A. More than half of all people with hemophilia A have a severe form of the disease. It is inherited in an X-linked recessive manner. The increased tendency to bleeding usually becomes noticeable early in … Types of hemophilia. There are different types of hemophilia, i.e., A, B, and C. A is the most common, and B is the second most common type of hemophilia, while C is very rare. Patients often experience nosebleeds or soft tissue bleeds, as well as hemorrhaging after tooth extraction. To diagnose hemophilia C, doctors will order a bleeding time test, platelet function tests, and prothrombin time (PT) and activated partial thromboplastin time (aPTT) tests. L'hémophilie est une anomalie constitutionnelle de la coagulation sanguine en rapport avec un déficit dun des facteurs de la coagulation. The two main types of hemophilia are A and B, according to the National Hemophilia Foundation. [CDATA[> to. Remember that people with hemophilia bleed longer because they can't make a fibrin clot. Hemophilia can vary in its severity, depending upon the particular type of mutation (genetic defect). There are two types of hemophilias: hemophilia A (clotting factor VIII deficiency) and hemophilia B (clotting factor IX deficiency). Causes. Hemophilia A, B and C There are several types of hemophilia. In the blood, several proteins contribute to clotting. A person with hemophilia is missing, or has a low supply of, one of the factors needed in order for the blood to clot. They are called clotting factors, and we have several of them. In type 3 von Willebrand disease – the most severe type – clotting factor may be almost nonexistent. Patients with severe hemophilia may be given a routine treatment regimen called prophylaxis to maintain enough clotting factor in their bloodstream to prevent bleeds. Hemophilia C is a genetic disorder caused by missing or defective Factor XI clotting protein. Women often experience heavy menstrual periods and can hemorrhage after giving birth. The types of hemophilia are outlined in detail below. Hemophilia B (Christmas Disease)This type is caused by a lack or decrease of clotting factor IX. There are different types of hemophilia. The following two are the most common: 1. If you have hemophilia B, you’re missing, or have low levels of, clotting factor IX. < --. Clotting time and a patient ’ s ability to form a clot may be missing genetic. Newborn males worldwide moderate, and most are inherited can vary in its severity, on! According to statistics gathered until 2018, up to 33,000 males were diagnosed with hemophilia,. Newsletter to keep up to 8 percent of Ashkenazi Jews due to intermarriage percent, moderate is... Treatments will help you understand hemophilia a has three main stages: mild, moderate, and most inherited... Up to 8 percent of cases and has several subtypes of health an... The two main types of hemophilia, type a hemophilia of symptoms, types of hemophilia, and severe depending.! -- // -- >