Mich. Comp. Laws § 722.1704: Establishment of parent-child relationship.

Sec. 104.

A parent-child relationship is established between an individual and a child if 1 of the following occurs:

(a) The individual gives birth to the child, except as provided in part 3.

(b) The individual's parentage of a child is established under part 2.

(c) The individual's parentage of a child is established under part 3.