Utah Code Ann. § 76-5-201
(1)
(a) As used in this section:
(2) The following are criminal homicide:
(3) Notwithstanding Subsection (2), an actor is not guilty of criminal homicide if:
(b) the sole reason for the death of an unborn child is that the actor:
(i) refused to consent to:
(c) a woman causes the death of her own unborn child, and the death: