What causes an increase in factor IX?

Updated: Feb 04, 2020
  • Author: Bishnu Prasad Devkota, MD, MHI, FRCS(Edin), FRCS(Glasg), FACP; Chief Editor: Eric B Staros, MD  more...
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Elevated factor IX concentrations are linked with an increased risk of thromboembolism. The following are associated with increases in factor IX:

  • Pregnancy

  • Use of oral contraceptives

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