%0 Journal Article %T Sin pecado concebido: Sida y embarazo en el libro de sexto de ciencias naturales %A Hern¨¢ndez Rosete %A Daniel %A Flores %A Javier %A Echavarr¨ªa %A Laura %J Revista mexicana de investigaci¨®n educativa %D 2011 %I Consejo Mexicano de Investigaci¨®n Educativa, A.C. %X this article presents research on the topics of human immunodeficiency virus (hiv)/ aids and teenage pregnancy in the sixth-grade natural science book. based on a genealogical presentation of the approach to sexual education in the history of free textbooks in the natural sciences, a critical analysis is made of the 2009 version of this text. %K elementary education %K textbooks %K analysis of content %K sexual education %K aids %K mexico. %U http://www.scielo.org.mx/scielo.php?script=sci_abstract&pid=S1405-66662011000200007&lng=en&nrm=iso&tlng=en