Combined
oral contraception and DVTThe baseline risk of deep venous thrombosis among young women without risk factors is about
- 5 per 100 000 person-years for non-users
- 15 for users of the second generation pill
- 25 for users of the third generation pill.
If a woman asks about her chance of dying she is usually told that the mortality of deep venous thrombosis is 1-2%, which means mortality is about 2 per million users.