An Act amending Title 23 (Domestic Relations) of the Pennsylvania Consolidated Statutes, in adoption, further providing for definitions; in proceedings prior to petition to adopt, further providing for hearing, for grounds for involuntary termination and for petition for involuntary termination and providing for notice if identity or whereabouts of birth parent or putative father unknown; and, in petition for adoption, further providing for consents necessary to adoption and repealing provisions relating to consents not naming adopting parents.