When the Sadigura Rebbe visited the Rebbe in 5740, they discussed the idea that financial contributions for every child born in Eretz Yisroel would also go to Arabs who would give birth.
The Rebbe explained that a goy is prohibited from killing as well, and that when Yiden have the power (as is the case in Eretz Yisroel) we must make sure that the Sheva Mitzvos are being upheld. We therefore must do whatever possible to make sure that a goy in Eretz Yisroel does not abort a child.See full Yechidus in the link below.
The Halacha varies in context of levels of danger to the mother and stage of the pregnancy.
Therefore, it is imperative to consult a Rov in all cases, whether is seems to be a case where one should be maikel or machmir.