The only thing unconstitutional about Roe v Wade is that it mandated all states outlaw abortion.
If you repeal Roe v Wade, it goes back to the states where it belongs.
The federal government has no more right to pass an outright ban then it does to pass an outright mandate.
"The federal government has no more right to pass an outright ban then it does to pass an outright mandate."
Don't be silly. The Interstate Commerce Clause gives them that right with regards to any subject they deem mandatable.