Judith Graham Ph.D., Extension human development specialist, University of Maine Cooperative Extension. For information about UMaine Extension programs and resources, visit extension.umaine.edu. Find more of our publications and books at extension.umaine.edu/publications/. Table of Contents Developmental Cycles Becoming—From Conception to Birth Stage 1—Being: Birth to Six Months Stage 2—Doing and Exploring: Six to Eighteen Months Stage