The Washington Post reports in the San Francisco Chronicle on 2/28/03 "Having an Abortion does not appear to increase a woman's chance of developing breast cancer, according to a report to be presented, Monday, to the National Cancer Institute [NCI]. The findings could help end a long standing debate on the question."
Later in the same news report, the writer goes on to say, "The NCI Web site--which posts 100 facts sheets on cancer for consumers, as well as a variety of information on cancer detection, prevention and treatments for both the lay public and health professionals--first developed a fact sheet on the question of abortion and breast cancer in October,1994 and has revised it six times".
Now, information for health professionals, on the site, notes "that studies on the relationship between abortions and the risk of breast cancer 'have been inconsistent' and reflect under-reporting of abortions because of a social stigma and short comings in scientific design"
Readers should be aware that attention was drawn to the possible relationship of abortion and breast cancer by European health researchers-- where government controlled health care systems record most, if not all, voluntary abortions.
In America, the number of abortions performed cannot/will never be correctly reported as long as privacy, of one's medical record, is maintained.
Inconsistency is not a problem for the women in Europe and America, they are consistent. It's the health care systems and their records that are inconsistent and the reason why news reporters are confused.
Women, who may be concerned, should be sure to get their annual mammogram, and earlier than the age of 40, if that's what it takes to have peace of mind.
The standard Mammogram, with the addition of followup ultrasound or MRI, when the Radiologist feels it's necessary, saves lives through early detection despite any thing you may have read/heard to the contrary.
While they sort it out [and never is possible] you do the right thing.