Elections In 2019, Teodoro was named as the first nominee of the Adhikain Tinaguyod ng Kooperatiba (Ating-Koop) Partylist, which sought to represent consumers and small and medium enterprises. During the campaign, political watchdog group
Kontra Daya criticized her party, along with others, for having "bastardized and corrupted" the partylist system. Her party was defeated, receiving 0.47% of the vote and no seats in the lower chamber. In 2022, Teodoro filed to run for representative in
Marikina's first district to succeed
Bayani Fernando, who retired to run against her husband in the mayoral race. She ran under the
United Nationalist Alliance with the support of her husband's coalition, Team MarCy. In the May 9, 2022, election, she was handily elected to the seat with 73.61% of the vote, defeating Jose Miguel Cadiz, who substituted for his uncle
Jose Fabian Cadiz, who died before the election.
Tenure . Teodoro was sworn in as a representative on June 30, 2022. Upon the opening of the
19th Congress on July 28, she was appointed as one of the assistant
majority leaders. Before starting her congressional term, she launched the "Buntis Congress" (), an annual reproductive healthcare program for women. On September 11, 2023, Teodoro filed House Bill (HB) 8976, which proposed the provision of provide scholarship grants to Persons with Disabilities and their children. In October 2024, Teodoro successfully earmarked funds to develop a science and robotics laboratory at the Marikina Science High School as part of wider local investments in
STEM education. On February 5, 2025, Teodoro signed the
impeachment complaint against
Vice President Sara Duterte, which is expected to lead to a trial in the
Senate of the Philippines in the
20th Congress. In May 2025, President
Bongbong Marcos signed into law a bill co-authored by Teodoro, which that sought to double the bed capacity of the
Amang Rodriguez Memorial Medical Center in Santo Niño. On May 19, a break-in and attempted theft occurred at the senior citizens' affairs building of her district office, leading to delays in related services. == 2025 Marikina mayoral campaign ==