title: [Responsible procreation].
authors.affiliation: Facultad de Medicina de la Universidad Nacional Autónoma de México.
authors.forename: Carlos
authors.initials: C
authors.lastname: Fernández del Castillo
mesh_terms: D003267:Contraception / Q000941:ethics*; D003268:Contraception Behavior / Q000523:psychology*; D005193:Family Planning Services / Q000941:ethics* / Q000592:standards; D006801:Humans; D012098:Reproduction