Haemophilia is a rare condition that affects the blood’s ability to clot. It’s usually inherited. Most people who have it are male. Normally, when you cut yourself, substances in your blood known as clotting factors mix with blood cells called platelets to make your blood sticky and form a clot. Hemophilia occurs in about 1 of every 5,000 male births. Although an individual’s haemophilia can usually be traced in the ancestry, in about 30% of cases there is no family history of the disorder, and the condition is speculated to be the result of spontaneous mutation in an ancestor. There are two main types of haemophilia: haemophilia A, which occurs due to low amounts of clotting factor VIII, and haemophilia B, which occurs due to low levels … Continue reading How frequent is Hemophilia in Rh(D) negative individuals?