"Table 1. Multivariate adjusted case-control odds ratios and 95% CIs for all breast cancer cases, triple-negative and non-triple-negative cases, in relation to known and suspected risk factors among women 45 y of age and younger, 1983-1992"
It is listed under "Reproductive factors" which included only the subheadings,
Age at menarche
Number of live births
Age at first birth
Lactation
Abortion
You can view the page with Table 1 here.
The point is that this study lists abortion as one of the known risks for breast cancer, as if the scientific community already accepts this as established fact.
“Risk factor” does not imply causation. Nor is there anything in that data table to support a 40% increased risk claim. Stanek made up her claims out of thin air.