Conn. Gen. Stat. § 45a-262: (Formerly Sec. 45-161a). Words of inheritance apply to child born through assisted reproduction and child of decedent conceived and born after death of decedent.

(a) The words “child”, “children”, “issue”, “descendants”, “descendant”, “heirs”, “heir”, “unlawful heirs”, “grandchild” and “grandchildren”, when used in the singular or plural in any will or trust instrument, shall, unless such document clearly indicates a contrary intention, be deemed to include children born as a result of assisted reproduction. The provisions of this subsection shall apply to wills and trust instruments whether or not executed before, on or after October 1, 1975, unless the instrument indicates an intent to the contrary.

(b) The words “child”, “children”, “issue”, “descendants”, “descendant”, “heirs”, “heir”, “unlawful heirs”, “grandchild” and “grandchildren”, when used in the singular or plural in any will or trust instrument, shall, unless such document clearly indicates a contrary intention, be deemed to include children born after the death of the decedent, as provided in subsection (a) of section 45a-785. The provisions of this subsection shall apply to wills and trust instruments whether or not executed before, on or after October 1, 2013, unless the instrument indicates an intent to the contrary.