Concepción Palacios Herrera (5 December 1893 – 1 May 1981) born in El Sauce, León, was the first female physician in Nicaragua. Her mother was a midwife and healer and her father was a medical naturalist. She was expelled from school for refusing compulsory communion, but the feminist Josefa Toledo de Aguerri supported her so that she was able to study in the Normal School for Young Ladies, from which she graduated in 1919. She went to Mexico in 1919, and in 1927 she graduated as a physician and surgeon from the National School of Medicine of the National Autonomous University of Mexico (UNAM). In 1928 he returned to Nicaragua, where she supported Augusto César Sandino's fight against the American occupation of Nicaragua. President Jose Maria Moncada had her imprisoned for political reason