Conn. Gen. Stat. § 1-1n
As used in sections 4a-60, 8-169s, 8-265c, 8-294, 8-315, 10-15 c, 10-153, 10a-6, 11-24 b, 16-245 r, 16-247 r, 28-15, 31-22p, 31-57e, 32-277, 38a-358, 42-125a, 42-125b, 46a-81aa, 52-571d and 53-37a, "gender identity or expression" means a person's gender-related identity, appearance or behavior, whether or not that gender-related identity, appearance or behavior is different from that traditionally associated with the person's physiology or assigned sex at birth, which gender-related identity can be shown by providing evidence including, but not limited to, medical history, care or treatment of the gender-related identity, consistent and uniform assertion of the gender-related identity or any other evidence that the gender-related identity is sincerely held, part of a person's core identity or not being asserted for an improper purpose.
Conn. Gen. Stat. § 1-1n
( P.A. 11-55, S. 2; P.A. 13-299, S. 1.)