VIVIPARITY By N., Sam M.S. - 1 literally, live birth: reproduction wherein the embryo grows inside the woman until a well-developed person emerges. VIVIPARITY: "Mammals, including humans, are almost always viviparous." Related Psychology Terms BIRTH ADJUSTMENTS PMDD: Can It Be Cured? MENTAL RETARDATION (CAUSES) PRENATAL DEVELOPMENT ADOLESCENCE (Theories) SCHIZOPHRENIA (OTHER TYPES) NEWBORN INFANT (Neonate) RANK, OTTO (1884-1939) ANTISOCIAL REACTION ASTHENIC REACTION (Neurasthenia) Cite this page: N., Sam M.S., "VIVIPARITY," in PsychologyDictionary.org, April 29, 2013, https://psychologydictionary.org/viviparity/ (accessed July 2, 2022).