The various phases of the life cycle were described by David Lancy Grove, M. A., & Lancy, D. F. (2015). Cultural views of life phases. as belonging to six practical categories: 1) Birth and early infancy, which Lancy describes as ritually being the least important given the doubt over the child's survival; 2) Joining the community when the infant's survival is confirmed, usually denoted by a naming ceremony; 3) Separation, marked by removing the child from the mother's breast or when the child starts walking; 4) Getting noticed i.e. when the child starts becoming useful, usually by beginning to help around the house; 5) Adolescence, described as being highly variable across cultures and most commonly being marked by an initiation ceremony and 6) Adulthood, which the author says in most cultures is the point when the individual sires offspring.
