.001,That would be 1 out of every 100,000, seems unlikely, or only ten out of a million.
About 13,000 women have abortions each year following rape or incest.
13,000/1,310,000 = .00992... or about .01. That is 1% according to the pro-aborts.
Source: Alan Guttmacher Institute, Induced Abortion, Facts in Brief, 2002. Info online here. Guttmacher is a division of Planned Parenthood.