Who are these women?
-More than half - 54 percent - say they were using birth control around the time they got pregnant.
-Most are unmarried, in their 20s and 30s; 18 percent are teens.
-More than half are poor.
-Three-fourths identify with a religion, mostly Protestant; more than 1 in 4 are Catholic.
-Nearly 60 percent have at least one child.
-More than one-third are white, 30 percent are black and 25 percent are Hispanic.
(Copyright 2012 by The Associated Press. All Rights Reserved.)