Factor V Leiden

Updated: 2017-06-13

Overview

Factor V Leiden increases the chance of clumps of blood (clots) developing, which can be life-threatening. Women with the disorder risk developing blood clots during pregnancy or when taking the hormone estrogen.

Symptoms

Most people never develop symptoms. However, the first indication of the disorder may be the development of a blood clot (thrombosis).

Treatments

Treatment may include blood-thinning drugs.