Evidence relating to paternity

(1) Evidence relating to paternity may include: (a) Evidence of sexual intercourse between the mother and alleged father at any possible time of conception; (b) An expert's opinion concerning the statistical probability of the alleged father's paternity based upon the duration of the mother's pregnancy; (c) Genetic test results, weighted in accordance with evidence, if available, of the statistical probability of the alleged father's paternity; (d) Medical or anthropological evidence relating to the alleged father's paternity of the child based on tests performed by experts. If a man has been identified as a possible father of the child, the court may, and upon request of a party shall, require the child, the mother, and the man to submit to appropriate tests; and (e) All other evidence relevant to the issue of paternity of the child. (2) In any action brought pursuant to article 13 or 13.5 of title 26, C.R.S., the parties shall be required to use the laboratory designated by the delegate child support enforcement unit for genetic tests or other tests of inherited characteristics. Any subsequent test or other tests shall be determined by the court as provided in section 13-25-126, C.R.S.