developmental psychology
type: Concept
narrower: prenatal development

prenatal development
definition: Prenatal development can be divided into three stages: preimplantation, embryonic, and fetal. The preimplantation period, between fertilization and implantation of the conceptus in the uterine wall, takes an average of 7 days. [Source: Encyclopedia of Human Development; Prenatal Development]
broader: developmental psychology
broader: birth and infancy
type: Concept

concepts
type: Collection
type: ConceptGroup
member: prenatal development

birth and infancy
type: Concept
narrower: prenatal development