title: Oral contraceptive pills and the risk of venous thromboembolism.
mesh_terms: D001695:Biology; D002319:Cardiovascular System; D016022:Case-Control Studies; D003267:Contraception; D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined; D017135:Desogestrel; D019049:Developed Countries; D003906:Developing Countries; D004194:Disease; D004617:Embolism; D005060:Europe; D005193:Family Planning Services; D010827:Physiology; D012106:Research; 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; Cardiovascular Effects; Case Control Studies; Contraception; Contraceptive Agents, Female--side effects; Contraceptive Agents, Progestin--side effects; Contraceptive Agents--side effects; Contraceptive Methods--side effects; Desogestrel--side effects; Developed Countries; Developing Countries; Diseases; Embolism; Europe; Family Planning; Gestodene--side effects; Oral Contraceptives, Combined--side effects; Oral Contraceptives--side effects; Physiology; Research Methodology; Research Report; Risk Factors; Studies; Thromboembolism; Vascular Diseases