No one, not even the Catholic Church, opposes medical intervention to save a mother's life at the risk of the life of the unborn child. I respect your friend's decision, but your hypothetical is irrelevant.
FWIW, I think you may have misunderstood me. Right to life is my #1 political issue. I would vote for an honest pro-life democrat (if such a thing existed) over a pro-choice republican.
Thank you. Sincerely. Every baby has a soul.
While i would never vote for a Democrat/Socialist. Ever.