This is an Accepted Manuscript of an article published by Springer Link in the Journal of Child and Family Studies, available online: https://link.springer.com/article/10.1007/s10826-014-0053- y Please cite this Article as: Atienzo, E.E., Campero, L., Herrera, C. & Lozada, A.L. Family Formation Expectations and Early Pregnancy in Mexican Adolescents. J Child Fam Stud (2015) 24: 2509. https://doi.org/10.1007/s10826-014-0053-y