Throughout history, women have sought to control their fertility with substances that “regulate” menstruation, terminate pregnancies, or induce labor. Teas, concoctions, and medicinal compounds containing pennyroyal, rue, artemsia, ergot, cohosh, quinine, and lead have caused significant toxicity and death when taken as abortifacients. In this talk we will explore the history of abortifacients from antiquity through modern times, and discuss cases of toxicity through the lens of the women who have utilized these remedies.