Related Experiment Video
Updated: Jun 20, 2026

Measurement of Factor V Activity in Human Plasma Using a Microplate Coagulation Assay
Published on: September 9, 2012
Fetal intracerebral hemorrhage in familial thrombophilia
Malvina Crespin1, Martine Alhenc-Gelas, Gilles Grangé
1Assistance-Publique-Hôpitaux de Paris, Paris, France.
We describe a fetal intracerebral hemorrhage associated with familial thrombophilia. Intraventricular and intraparenchymal hemorrhage of the left cerebral hemisphere was diagnosed at 22 weeks of gestation. Neuropathologic examination demonstrated a large germinal zone hemorrhage and ischemic changes secondary to bleeding. The fetus manifested a heterozygous Leiden mutation of the factor V gene, and a heterozygous F76L mutation of the protein C gene. The literature indicates that the coexistence of genetic risk factors of thrombophilia and fetal intracerebral hemorrhage is rare, except in the context of pregnancy-related complications. The utility of laboratory screening is discussed.
We describe a fetal intracerebral hemorrhage associated with familial thrombophilia. Intraventricular and intraparenchymal hemorrhage of the left cerebral hemisphere was diagnosed at 22 weeks of gestation. Neuropathologic examination demonstrated a large germinal zone hemorrhage and ischemic changes secondary to bleeding. The fetus manifested a heterozygous Leiden mutation of the factor V gene, and a heterozygous F76L mutation of the protein C gene. The literature indicates that the coexistence of genetic risk factors of thrombophilia and fetal intracerebral hemorrhage is rare, except in the context of pregnancy-related complications. The utility of laboratory screening is discussed.
Related Concept Videos
Hemorrhagic Stroke l: Introduction
Anticoagulant Drugs: Low-Molecular-Weight Heparins
Hemorrhagic Stroke ll: Pathophysiology
Disorders of Hemostasis
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
Extrinsic and Intrinsic Pathways of Hemostasis
The Extrinsic Pathway
The extrinsic pathway of coagulation is typically initiated by tissue damage that exposes blood to tissue factor (TF), a protein released by the damaged tissue cells outside the blood vessels—this interaction with TF triggers biochemical reactions involving specific clotting factors. The key player here is Factor VII, which forms a...
Venous Thrombosis I: Introduction
