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Foster Care Placement: Reducing The Risk Of Sibling Incest, David J. Herring

Articles

The Westermarck theory maintains that incest avoidance arises from the physical proximity of siblings during a critical period of early childhood. This proximity gives rise to an inhibiting effect on post childhood sexual interest. Two recent studies of sibling relationships have verified and refined the Westermarck theory, indicating that the critical period extends through the first four years of childhood.

The theory and the studies have implications for child welfare laws, policies and practices surrounding the placement of siblings in foster care. Namely, the findings provide powerful reasons for placing siblings together during the critical period in order to minimize …