[2] In 2018, Montero won the silver medal in the 57 kg event at the 2018 Pan American Wrestling Championships held in Lima, Peru.

[3] At the 2018 Central American and Caribbean Games held in Barranquilla, Colombia, she defeated Nes Marie Rodríguez of Puerto Rico in the final and she won the gold medal in the 57 kg event.

[4] Later that year, she also won one of the bronze medals in the 55 kg event at the 2018 World Wrestling Championships held in Budapest, Hungary.

[5] In 2019, Montero represented Cuba at the 2019 Pan American Games in Lima, Peru and she won one of the bronze medals in the 53 kg event.

In 2020, she won one of the bronze medals in the 53 kg event at the 2020 Pan American Wrestling Championships held in Ottawa, Canada.