Ariz. Rev. Stat. § 13-1104 – Second degree murder; classification

A. A person commits second degree murder if without premeditation:
1. 1. The person intentionally causes the death of another person, including an unborn child or, as a result of intentionally causing the death of another person, causes the death of an unborn child; or
2. 2. Knowing that the person's conduct will cause death or serious physical injury, the person causes the death of another person, including an unborn child or, as a result of knowingly causing the death of another person, causes the death of an unborn child; or
3. 3. Under circumstances manifesting extreme indifference to human life, the person recklessly engages in conduct that creates a grave risk of death and thereby causes the death of another person, including an unborn child or, as a result of recklessly causing the death of another person, causes the death of an unborn child.
B. An offense under this section applies to an unborn child in the womb at any stage of its development. A person may not be prosecuted under this section if any of the following applies:
1. 1. The person was performing an abortion for which the consent of the pregnant woman, or a person authorized by law to act on the pregnant woman's behalf, has been obtained or for which the consent was implied or authorized by law.
2. 2. The person was performing medical treatment on the pregnant woman or the pregnant woman's unborn child.
3. 3. The person was the unborn child's mother.
C. Second degree murder is a class 1 felony and is punishable as provided by section 13-705 if the victim is under fifteen years of age or is an unborn child, section 13-706, subsection A or section 13-710.