title: A perspective on the concept of "risk".
mesh_terms: D001695:Biology; D003267:Contraception; D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined; D017135:Desogestrel; D004194:Disease; D004617:Embolism; D005193:Family Planning Services; D012307:Risk Factors; D013923:Thromboembolism; D014652:Vascular Diseases
chemical_list: D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined; D017135:Desogestrel
keywords: Biology; Contraception; Contraceptive Agents, Female--side effects; Contraceptive Agents, Progestin--side effects; Contraceptive Agents--side effects; Contraceptive Methods--side effects; Desogestrel--side effects; Diseases; Embolism; Family Planning; Gestodene--side effects; Oral Contraceptives, Combined--side effects; Oral Contraceptives--side effects; Risk Factors; Thromboembolism; Vascular Diseases