Initially working as a midwife, she became one of the first women to attend and graduate Medical School, eventually earning her doctorate in 1887.
From a very early age, Matilde began to show interest in studying, thanks to the support and the lessons that her mother gave her.
[4] It caused a range of responses from the public at the time, from those who acknowledged and celebrated her work and saw it as a starting point for changing the status of women in society to those who questioned the reliability of their efforts, claiming that it was not "natural" for a woman to have a career that did not align with her sex.
Maltide Petra Montoya Lafragua was a distinguished medical professional in the areas of gynecology, obstetrics, and pediatrics.
In response to criticism from her detractors, José de la Cruz Porfirio Díaz Mori, the President of Mexico at the time, recognized Montoya's ability and showed his support by granting her a scholarship.
Porfirio Diaz was an advocate for allowing middle and upper-class women a fundamental education as an opportunity to advance in medicine.
These activist organizations emerged within the start of twentieth century, which was a prominent time period for the social movement of feminism in Mexico.