Explore the complex intersections of sex, gender, and data in this thought-provoking lecture by Patricia Williams from Northeastern University. Delve into the nuanced configurations of "Persons Capable of Pregnancy" and their implications for data collection and analysis. Recorded at the Institute for Pure & Applied Mathematics (IPAM) workshop on "Who Counts? Sex and Gender Bias in Data," this 29-minute presentation challenges conventional categorizations and encourages a deeper understanding of how sex and gender are represented in statistical frameworks.