On May 5, 2005 she moved up in weight to capture her second world title, defeating Leona Brown to win the inaugural WBC female super bantamweight title.[6]
Interim title
In 2007 she beat Donna Biggers and won the WBC interim female super bantamweight title.[7] She defeated Maria Andrea Miranda to retain her title.[8][9]
Legislative career
In June 2015, voters elected Nava, running as the candidate of the PAN, to the Chamber of Deputies in the LXIII Legislature of the Mexican Congress.[3] She serves on the Sports, Children's Rights, and Youth Committees.[3]