Yes, most probably she did get examined by a physician who ascertained her virginity even in her old age. Why is this so astonishing? Have you ever been to see a doctor?
*most probably *
But like everything else Catholics teach concerning this myth, there’s not one shred of reliable evidence to back it up.
Childbirth would have destroyed the *evidence* of her virginity.
Once prophecy was fulfilled, she didn't need to remain a virgin and once Jesus began His ministry and all the miracles and raising from the dead, He didn't need her virginity to prove who HE was.
John 10:22-26 22At that time the Feast of Dedication took place at Jerusalem. It was winter, 23and Jesus was walking in the temple, in the colonnade of Solomon. 24So the Jews gathered around him and said to him, "How long will you keep us in suspense? If you are the Christ, tell us plainly." 25Jesus answered them, "I told you, and you do not believe. The works that I do in my Father’s name bear witness about me, 26but you do not believe because you are not part of my flock.