Actually a lie, according to the American Cancer Society. https://www.cancer.org/cancer/risk-prevention/medical-treatments/abortion-and-breast-cancer-risk.html
On the contrary, the states where abortion is most tightly restricted have the worst health outcomes for women.
https://publichealth.jhu.edu/2023/a-year-without-roe
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10728320/
https://sph.tulane.edu/study-finds-higher-maternal-mortality-rates-states-more-abortion-restrictions