title: [Focus on the analysis of menstrual patterns in the critical evaluation of contraceptives].
mesh_terms: D000568:Amenorrhea; D003267:Contraception; D003276:Contraceptives, Oral; D004194:Disease; D005193:Family Planning Services; D006470:Hemorrhage; D008599:Menstruation Disturbances; D012816:Signs and Symptoms
chemical_list: D003276:Contraceptives, Oral
keywords: Amenorrhea; Bleeding; Contraception; Contraceptive Methods--side effects; Diseases; Family Planning; Menstruation Disorders; Oral Contraceptives--side effects; Signs And Symptoms
vernacular_title: Enfoque al analisis de patrones menstruales en la evaluacion critica de anticonceptivos.