title: Risk of idiopathic cerebral haemorrhage in women on oral contraceptives with differing progestagen components.
abstract: The risk of idiopathic cerebral haemorrhage in users of third-generation oral contraceptives compared with that of users of second-generation oral contraceptives was evaluated using data from the General Practice Research Database. We found no increased risk for third-generation oral contraceptives, compared with second-generation oral contraceptives.
authors.forename: S S
authors.initials: SS
authors.lastname: Jick
authors.forename: M W
authors.initials: MW
authors.lastname: Myers
authors.forename: H
authors.initials: H
authors.lastname: Jick
mesh_terms: D000328:Adult; D002543:Cerebral Hemorrhage / Q000139:chemically induced*; D003280:Contraceptives, Oral, Synthetic / Q000009:adverse effects*; D017135:Desogestrel / Q000009:adverse effects; D005260:Female; D006801:Humans; D016912:Levonorgestrel / Q000009:adverse effects; D008875:Middle Aged; D009652:Norpregnenes / Q000009:adverse effects; D045167:Progesterone Congeners / Q000009:adverse effects*; D012307:Risk Factors
chemical_list: D003280:Contraceptives, Oral, Synthetic; D009652:Norpregnenes; D045167:Progesterone Congeners; C033273:Gestodene; D016912:Levonorgestrel; D017135:Desogestrel