Venous thrombosis with cyproterone.
Do not use cyproterone-based pills as first-line oral contraceptive.
D000726:Androgen Antagonists / Q000009:adverse effects; D016022:Case-Control Studies; D003271:Contraceptive Agents, Female / Q000009:adverse effects; D003534:Cyproterone / Q000009:adverse effects; D005260:Female; D006801:Humans; D016912:Levonorgestrel / Q000009:adverse effects; D020246:Venous Thrombosis / Q000139:chemically induced*
D000726:Androgen Antagonists; D003271:Contraceptive Agents, Female; D016912:Levonorgestrel; D003534:Cyproterone