This chapter does not apply to:
1. An abortion deemed necessary based on reasonable medical judgment which was intended to prevent the death or a serious health risk to the pregnant female.
2. An abortion to terminate a pregnancy that based on reasonable medical judgment resulted from gross sexual imposition, sexual imposition, sexual abuse of a ward, or incest, as those offenses are defined in chapter 12.1-20, if the probable gestational age of the unborn child is six weeks or less.
3. An individual assisting in performing an abortion if the individual was acting within the scope of that individual's regulated profession, was under the direction of or at the direction of a physician, and did not know the physician was performing an abortion in violation of this chapter.