POPLINE is the world’s largest bibliographic database on population, family planning, and related health issues. POPLINE® provides citations with abstracts for 300,000 records representing published and unpublished literature in the field.
As of late March 2008 the word “abortion” has been declared a stopword. Apparently it is still searchable in a phrase “abortion clinic” or use alternate expressions such as pregnan* & termin*. Some discussions.