How does factor V Leiden affect pregnancy?
John Kim
Updated on May 24, 2026
Furthermore, can factor V Leiden cause miscarriage?
Different genetic blood clotting disorders have different levels of relationship to miscarriage, but Factor V Leiden is one of the hereditary thrombophilias that does appear to have a role in causing miscarriages (or at least increasing risk) because women with the mutation have a higher rate of miscarriages than women
Also, is factor V Leiden dominant or recessive? Genetic counseling: Factor V Leiden thrombophilia (i.e., predisposition to the development of venous thrombosis) is inherited in an autosomal dominant manner. Homozygosity for the Leiden variant (and a much greater risk for venous thrombosis) are inherited in an autosomal recessive manner.
Beside above, is it safe to get pregnant with factor V Leiden?
Despite these risks, most people with factor V Leiden never develop abnormal clots, and most women with factor V Leiden have normal pregnancies. Nonetheless, if you have a family history of factor V Leiden and plan to get pregnant, you should be tested.
Are there prenatal tests for factor V Leiden?
Factor V Leiden, which causes activated protein C resistance, is the most prevalent thrombophilia in white populations. However, selective screening for factor V Leiden has not been evaluated previously for identifying women who might benefit from anticoagulant prophylaxis during pregnancy.