Conn. Gen. Stat. § 53a-59c: Assault of a pregnant woman resulting in termination of pregnancy: Class A felony.

(a) A person is guilty of assault of a pregnant woman resulting in termination of pregnancy when such person commits assault in the first degree as provided under subdivision (1) of subsection (a) of section 53a-59 and (1) the victim of such assault is pregnant, and (2) such assault results in the termination of pregnancy that does not result in a live birth.

(b) In any prosecution for an offense under this section, it shall be an affirmative defense that the actor, at the time such actor engaged in the conduct constituting the offense, did not know that the victim was pregnant.

(c) Assault of a pregnant woman resulting in termination of pregnancy is a class A felony.