May 18, 2017 · Abortion is not considered one of the breast cancer risk factors, which include age, obesity, and family history. Research has found no link between abortion and an increased risk of breast cancer. While a small batch of studies may suggest a possible connection, an overwhelming amount of research indicates otherwise.Author: Stephanie Watson. In February 2003, the National Cancer Institute (NCI) convened a workshop of over 100 of the world’s leading experts who study pregnancy and breast cancer risk. Workshop participants reviewed existing population-based, clinical, and animal studies on the relationship between pregnancy and breast.
The claim that undergoing an abortion increases a woman’s chances of contracting breast cancer, often cited by anti-abortion activists, arguably has two origins: a scientific one and a political.