; and (F) any measure to establish the paternity of an unborn child shall not be taken if the measure poses any risk of harm to the child if unborn. ; and (5) by adding at the end the following: For purposes of paragraphs (4) and (35), the term unborn child means a member of the species homo sapiens, at any stage of development, who is carried in the womb. . (b) Limitation of waiver authority Section 1115 of the Social Security Act ( 42 U.S.C. 1315 ) is amended— (1) in subsection (a), in the matter preceding paragraph (1), by striking In the case of and inserting Except as provided in subsection (c), in the case of ; (2) in subsection (b)(1), in the matter preceding subparagraph (A), by striking In the case of and inserting Except as provided in subsection (c), in the case of ; and (3) by striking subsection (c) and inserting the following: (c) No experimental, pilot, or demonstration project undertaken under subsection (a) to assist in promoting the objectives of part D of title IV, may permit modifications of paragraphs (4)(A)(ii) and (35) of section 454 to establish and enforce child support obligations of the biological father of an unborn child. For purposes of the preceding sentence, the term unborn child means a member of the species homo sapiens, at any stage of development, who is carried in the womb. . (c) Effective date The amendments made by this section shall take effect on the date that is 2 years after the date of enactment of this Act and shall apply to payments under part D of title IV of the Social Security Act ( 42 U.S.C. 651 et seq. ) for calendar quarters beginning on or after such date.