Abortion, Miscarriage, and Breast Cancer Risk: A Finnish Registry Study Settles the Debate
Katuwal S, et al. Acta Obstet Gynecol Scand. 2026
Katuwal S, et al. Acta Obstet Gynecol Scand. 2026
Summary
This Finnish case-control study examined whether induced abortion or miscarriage increases breast cancer risk, using registry data from 31,687 women with breast cancer and 158,433 matched controls (1972–2021). Unlike prior studies relying on self-reported data, this study used mandatory national re…



