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Hypoprothrombinemia can be the result of a genetic defect, may be acquired as the result of another disease process, or may be an adverse effect of medication.For example, 5-10% of patients with systemic lupus erythematosus exhibit acquired hypoprothrombinemia due to the presence of autoantibodies which bind to prothrombin and remove it from the bloodstream (lupus anticoagulant ...
A pregnant woman will also become hypercoagulable, leading to increased risk for developing blood clots and embolisms, such as deep vein thrombosis and pulmonary embolism. Women are 4-5 times more likely to develop a clot during pregnancy and in the postpartum period than when they are not pregnant. [25]
Individuals with a personal or family history of bleeding are considered to be of low risk of bleeding when their functional fibrinogen levels are >1 gram/liter for major surgery, >0.5 gram/liter for minor surgery, >0.5 to 1-2 gram/liter for spontaneous bleeding (depending on its severity), >0.5 to > 1 gram/liter for the first two trimesters of ...
As in non-pregnant individuals, ITP in pregnancy is a diagnosis of exclusion and other potential causes of low platelets in pregnancy require consideration. These include obstetrical causes such as pre-eclampsia, HELLP syndrome (hemolysis, elevated liver enzymes and low platelets), or thrombotic microangiopathies that may occur during pregnancy ...
Factor XII deficiency is a deficiency in the production of factor XII (FXII), a plasma glycoprotein and clotting factor that participates in the coagulation cascade and activates factor XI. FXII appears to be not essential for blood clotting, as individuals with this condition are usually asymptomatic and form blood clots in vivo. FXII ...
The estrogen in some birth control causes the liver to produce more of a protein that helps the body clot blood, said Dr. Shaila Patel, an obstetrician gynecologist at St. David's Women's Center ...
It also plays a central role in building energy and proteins, and it can be found in your red blood cells, bone marrow, muscles and the brain. ... Pregnancy and childbirth are other risk factors ...
This seemingly paradoxical propensity to develop thrombosis in a disorder causing a decrease in a critical protein for blood clotting may be due to the function of fibrin (the split product of fibrinogen that is the basis for forming blood clots) to promote the lysis or disintegration of blood clots. Lower levels of fibrin may reduce the lysis ...