Colorado Revised Statutes Title 18. Criminal Code § 18-3.5-106. Unlawful termination of pregnancy in the fourth degree

(2)(a) Unlawful termination of pregnancy in the fourth degree is a class 6 felony.

(b) Unlawful termination of pregnancy in the fourth degree by any person is a class 5 felony if the pregnancy of the woman, other than a participant in the crime, is unlawfully terminated during the commission or attempted commission of or flight from the commission or attempted commission of murder, assault in the first or second degree, robbery, arson, burglary, escape, kidnapping in the first degree, sexual assault, sexual assault in the first or second degree as such offenses existed prior to July 1, 2000, or class 3 felony sexual assault on a child, but only to the extent that the person is a principal in the criminal act or attempted criminal act, as described in section 18-1-603.