title: [Acceptability factors of natural methods of birth regulation: the inscription and instruction phases].
mesh_terms: D001831:Body Temperature; D005260:Female; D006266:Health Education; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D008297:Male; D012252:Natural Family Planning Methods; D010061:Ovulation Detection / Q000379:methods
vernacular_title: Factores de aceptabilidad de los métodos naturales de regulación de la natalidad: fases de inscripción e instrucción.