FETAL STAGE By N., Sam M.S. - 135 the final stage of human prenatal development, from the 8th or 9th week after fertilisation to the time of birth. It is preceded by the embryonic stage. FETAL STAGE: "The foetal stage follows the embryonic stage." Related Psychology Terms PRENATAL DEVELOPMENT Piaget’s Theory of Cognitive Development ADOLESCENCE (Theories) NEWBORN INFANT (Neonate) BIRTH ADJUSTMENTS MENTAL RETARDATION (CAUSES) CHILD PSYCHOLOGY ORAL CHARACTER GENERAL ADAPTATION SYNDROME SULLIVAN, HARRY STACK (1892- 1949) Cite this page: N., Sam M.S., "FETAL STAGE," in PsychologyDictionary.org, May 11, 2013, https://psychologydictionary.org/fetal-stage/ (accessed February 6, 2023).