Risk of Venous Thromboembolism (VTE)1,2

Lifestyle Factors
Increasing age
Immobilisation & High Altitude

Current Medical Status
Increasing COC use
Major surgery
Major trauma
Medical History
Personal/Family history of VTE
Inherited blood clotting disorders
Other medical conditions associated with VTE
  • The risk of VTE is highest in first year of CHC use1,2
  • The risk of VTE is increased when a CHC is re-started after a break in use of 4 weeks or more1,2


  1. Faculty of Sexual & Reproductive Healthcare Statement Venous Thromboembolism (VTE) and Hormonal Contraception November 2014
  2. European Medicines Agency Benefits of combined hormonal contraceptives (CHCs) continue to outweigh risks – CHMP endorses PRAC recommendation November 2013 EMA/709120/2013

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