Yes, the mother's absence, without good cause, would typically constitute sufficient grounds to involuntarily terminate her parental rights
. PA law states, in part: § 2511. Grounds for involuntary termination. (a) General rule.
--The rights of a parent in regard to a child may be terminated after a petition filed on any of the following grounds: (1) The parent by conduct continuing for a period of at least six months
immediately preceding the filing of the petition either has evidenced a settled purpose of relinquishing parental claim to a child or has refused or failed to perform parental duties
. (2) The repeated and continued incapacity, abuse, neglect
or refusal of the parent has caused the child to be without essential parental care, control or subsistence necessary for his physical or mental well-being and the conditions and causes of the incapacity, abuse, neglect or refusal cannot or will not be remedied by the parent.
Here is a link which sets out this excerpt of the code:
Courts are typically more likely to terminate parental rights where there is another adult seeking to adopt the child as their own, so the petition to terminate parental rights should normally be included with the petition to adopt the child.
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