RESUMEN
BACKGROUND: Feminization of medicine is a worldwide phenomenon. Countries must consider feminization of medical specializations in the planning of health public politics. OBJECTIVE: To analyze trends in medical specialization and employability in México according to gender. METHOD: We analyzed the electronic repositories of students and hired physicians at IMSS from 2006-2020. RESULTS: 42,647 specialists graduated in the period. The percentage of women increased 3% in medical specializations and 9% in surgical ones. Women significatively predominate in first entry and controllable lifestyle specialization. The percentage of hired women physicians increased 14 and 17% in leadership positions. CONCLUSIONS: There is a steady increase in feminization of medical specialization. To date, 52% of residents, 48% of hired physicians and 42% of leaders are women.