The interwar period framed gender as a nexus of social labor organization, cultural norms, and biomedical processes, unveiling persistent wage gaps and cross-cultural labor stratification. Reproductive biology emerges as a central axis for analysis, with research on hormones and menstrual physiology informing health and social role discussions in an integrated biocultural framework. Debates on equal pay and women’s empowerment intersect with evolving feminist discourse and sociopolitical currents, while interdisciplinary inquiry connects anatomy, psychology, and culture to illuminate gender identity and representation. Historical Significance: The period yields foundational shifts in feminist theory and economic thought, elevating wage parity and labor rights as catalysts for social reform and shaping subsequent gender studies and feminist economics. Works such as Equal Pay to Men and Women for Equal Work and The Unadjusted Girl, among others, prompt new questions about adolescence, socialization, and the masculinity-complex in women, influencing psychology, sociology, and education. Critiques of knowledge production and calls for women’s intellectual authority challenge male-dominated epistemologies, sowing the seeds for enduring feminist epistemology and interdisciplinary gender analysis.