The Hague Convention on Civil Aspects of International Child Abduction (the Hague Convention) requires a signatory state promptly to return a child "wrongfully" removed by one parent without the consent of the other parent to that state from another signatory state where the child habitually resided. The Hague Convention, however, expressly allows a court of a country to which a child was removed to refuse to return the child to her country of habitual residence if doing so would expose the child to a "grave risk of physical or psychological harm."