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birth parent
birth parent A birth parent is a child’s biological parent whose influence may come through genetic or prenatal pathways rather than through being the person who raises the child after birth.
A birth parent is a child’s biological parent whose influence may come through genetic or prenatal pathways rather than through being the person who raises the child after birth. In adoption research, the term is used to distinguish these birth-related influences from the postnatal environment provided by adoptive parents.