- Presence or a history of venous or arterial thrombotic / thromboembolic events (e.g. deep venous thrombosis, pulmonary embolism, myocardial infarction) or of a cerebrovascular accident, including prodromi (e.g. transient ischemic attack, angina pectoris), and conditions that could increase the risk of suffering from any of the above mentioned disorders, e.g. a family history indicating a hereditary predispositionUndiagnosed abnormal genital bleeding