title: Oligo-amenorrhea in pill users.
authors.forename: G
authors.initials: G
authors.lastname: Berger
mesh_terms: D000568:Amenorrhea; D003267:Contraception; D003276:Contraceptives, Oral; D003933:Diagnosis; D004194:Disease; D005193:Family Planning Services; D008599:Menstruation Disturbances; D010060:Ovulation
chemical_list: D003276:Contraceptives, Oral
keywords: Amenorrhea; Contraception; Contraceptive Methods; Diseases; Examinations And Diagnoses; Family Planning; Menstruation Disorders; Oral Contraceptives; Ovulation