(750 ILCS 45/2)
(from Ch. 40, par. 2502)
Parent and Child Relationship Defined.
As used in this Act,
"parent and child relationship" means the legal relationship existing
between a child and his natural or adoptive parents incident to which the
law confers or imposes rights, privileges, duties, and obligations. It
includes the mother and child relationship and the father and child relationship.
(Source: P.A. 83-1372.)