Conn. Gen. Stat. § 46b-529: Parentage under gestational surrogacy agreement.

(a) Except as provided in subsection (c) of this section, subsection (b) of section 46b-530 or section 46b-532, upon birth of a child conceived by assisted reproduction under a gestational surrogacy agreement, each intended parent is, by operation of law, a parent of the resulting child.

(b) Except as otherwise provided in subsection (c) of this section or section 46b-532, neither a person acting as gestational surrogate nor the spouse or former spouse of the person acting as surrogate, if any, is a parent of the resulting child.

(c) If a resulting child is alleged to be a genetic child of the person who agreed to be a gestational surrogate, the court shall, upon finding sufficient evidence, order genetic testing of the child, the cost of which shall be covered by the intended parent or parents. If the resulting child is a genetic child of the person who agreed to be a gestational surrogate, parentage shall be determined in accordance with the provisions of sections 46b-450 to 46b-505, inclusive.

(d) Except as provided in subsection (c) of this section, subsection (b) of section 46b-530 or section 46b-532, if, due to a clinical or laboratory error, a child conceived by assisted reproduction under a gestational surrogacy agreement is not genetically related to an intended parent or a donor who donated to the intended parent or parents, each intended parent, and not the gestational surrogate and the spouse or former spouse of the person acting as surrogate, if any, is a parent of the resulting child.