I read about this in my spouse, Jenna's blog and it is so offensive I have to rant here... Abortion is now a stopword in the POPLINE database...
There is a federally funded database, POPLINE, that is run by the folks at Johns Hopkins. POPLINE bills itself as "the world's largest bibliographic database on population, family planning, and related health issues."
However, you'll have a hard time finding abortion information there anymore.
Jenna suggests the following: