The existence of a hereditary tendency to excessive bleeding was recognized in the second century A.D. by Rabbi Judah, who exempted from circumcision the son of a woman whose earlier sons had bled to death after this rite.

But only in this century has expanding knowledge of the physiology of hemosta­sis - the arrest of bleeding - made evident the di­verse nature of inherited bleeding disorders. In addi­tion, only recently has it been recognized that a tendency to thrombosis might likewise be due to an inherited hemostatic defect.

More on the topic The existence of a hereditary tendency to excessive bleeding was recognized in the second century A.D. by Rabbi Judah, who exempted from circumcision the son of a woman whose earlier sons had bled to death after this rite.:

1. The existence of a hereditary tendency to excessive bleeding was recognized in the second century A.D. by Rabbi Judah, who exempted from circumcision the son of a woman whose earlier sons had bled to death after this rite.
2. Kiple Kenneth F. (Editor). The Cambridge World History of Human Disease. Cambridge University Press,1993. — 1200 p., 1993