Neither. Did you read it? It is about the rights of the pregnant minor.
The case struck down the law that required a doctor to provide parental notification. The case says that an abortion cannot be conditioned on parental permission, court permission, or parental notification.
It is about her right to privacy. As a ward of the state, she has no privacy as to medical matters. All matters become subject to state oversight and therefore there are no issues of privacy at stake.