Because woman’s health does not matter
She brings receipts
So now, women are forbidden from receiving FDA approved treatments for FDA approved purposes completely unrelated to pregnancy.
If a man had the same condition, there would be no question of his receiving treatment, because he has a right to appropriate treatment, but a woman has no rights to anything.
This was always going to happen when they repealed Roe v. Wade.
Unfortunately, Republicans embraced the assault on abortion rights as a proxy for racism, and Democrats embraced doing nothing, because it aided in their fund raising efforts and their electoral strategy, (such as it is) so nothing was done.
The Democratic Party establishment (There is no Democratic Party establishment) simply did not care enough to take definitive action.
The lesser of two evils is still evil

So now, Biden is supporting a filibuster carve-out in order to pass national protections to abortion rights.
He should have done this months ago, I give him no credit for this