your best bet.
Not that presenting information from *any* of them will be construed as legitimate by Anti-choicers... they think the CDC is "pro-choice".
Eileen has done a good job of collecting some relevant links and constructing arguments of her own.
(I had a bunch of really good links but JAMA requires a membership now)
But if you're willing to pay the price, the Journal of the American Medical Association and New England Journal of Medicine have excellent factual articles.
As does the American Medical Association.
For articles on abortion law:
http://hometown.aol.com/abtrbng/index.htmReasons for medical abortions(some of the pics can be disturbing):
http://www-medlib.med.utah.edu/WebPath/TUTORIAL/PRENATAL/PRENATAL.html#1Unfortunately, most of your job will be wading thru the propaganda to get through to the truth... like the link to breast cancer which doesn't exist... like Post Abortion Syndrome, which only seems to exist in fundamentalist christian women who are guilt-barraged by crisis pregnancy center "counselors".
Other places to look:
http://www.rcrc.org/http://www.drtiller.com/bk1.htmlwww.religioustolerance.org
http://ethics.sandiego.edu/Applied/Abortion/index.htmlGood luck.
Cletus