Is it permissible to abort a fetus that is six weeks old if the mother is unable to carry the pregnancy due to chronic illnesses?

Aborting the fetus before 120 days is a matter of scholarly disagreement, and the more preponderant opinion prohibits it unless there is a danger to the mother's life.

The wife must be patient and not abort the pregnancy unless there is a danger to her life.

If she chooses to abort, relying on the opinion of those who permit it before the insufflation of the soul, there is no blame upon her; because a questioner is permitted to choose among differing opinions, as long as it does not reach the point of merely seeking concessions.