R. Tzvi Hersh Weinreb, "Orthodoxy in the Public Square" in Tradition 38:1 (Spring 2004), p. 34:
But in actual practice the Orthodox Jewish view of abortion is very different from the conservative views of the Catholic Church and from the liberal views of the [non-Orthodox] Jewish groups. It is nuanced, complex, and depends upon such a variety of factors that categorizing Orthodox Judaism as either pro-life or pro-choice is almost a caricature of our position.