That would be accurate and relevant IF the constitution guaranteed the right to abortion.States are allowed to pass laws that grant MORE rights than the Constitution, but never LESS rights. For example, the city of Cincinnati, Ohio, has a civil-rights ordinance that forbids discrimination based on "Appalachian heritage," i.e., hillbillies from western Kentucky. The city can do that. What it cannot do is permit discrimination against, say Black people.
Your interpretation of the Constitution betrays an ignorance of the Ninth Amendment.
But it doesn't. So it isn't. Swing and a miss
And further, as discussed the state could grant MORE rights to the fetus if it was believed that the fetus was a human being, unless the constitution said otherwise.