It happens in the way of serval affections and after abnormal
production of harmful ferments by the basic mechanisms of
coagulation, which dissolute the fibrin and make the clot
disappear, becoming liquid again. Painful hemorrhages occur in
some cases.They are consequent to an operation of childbirth of miscarriage.A small quanity of donated blood can make urgent
restitution of the abscent coagulating agent.