Catholics trying to use biblical references for something thwart canon until the 1850s and was denied by tertullianand even Thomas Aquinas is peak Catholicism.
Here's biblical evidence that Mary was a perpetual virgin
Ezekiel 44:2
"And he said to me, "This gate shall remain shut; it shall not be opened, and no one shall enter by it; for the LORD, the God of Israel, has entered by it; therefore it shall remain shut."