SCOTUS rarely rules outside the bounds of the case set before them.
***NONSENSE. They ruled that obambamcare was a tax but it obviously started in the senate rather than the house, and they shoulda sent it back for proper ratification. They NEVER ruled on Berg vs. Obama other than to say that NO ONE in America had standing when it came to the NBC issue.
I said rarely, not never.
In the Obamacare case the tax status of the individual mandate was an issue in debate. They may have ruled incorrectly, but they did not issue a ruling outside of the bounds of the case.
If/when the Texas abortion challenge comes before them, they could possibly rule that at 6 weeks the fetus is a human life and, therefore, entitled to rights under law. It would be extremely unlikely that they would extend that to life beginning at inception. That would go way beyond scope of the case before them. However, it does not rule out the possibility that a future challenge to a blue state abortion law could include a life-at-inception argument.
Going from 6 months (Roe) to 6 weeks would be a huge step in the right direction.