The main purpose of the Unborn Child Support Act is to amend existing laws related to child support to include provisions for unborn children. The act aims to ensure that child support obligations can be established and enforced for the biological father of an unborn child, thereby providing financial support to the mother during pregnancy. Key provisions of the act include several important changes to the Social Security Act. It requires states to establish and enforce child support obligations for unborn children, which can begin from the month of conception if requested by the mother.