Is a belief in Mary's physical virginity dogma or pious tradition?

[friendlyperson]

Is the belief that the Blessed Virgin Mary gave birth to Jesus without damaging her body a dogma of the Church or just a pious tradition? I’ve heard different answers from different people.
Thanks for your help!

 

[Augusta_Crowley]

The following link should help answer your question about Mary’s virginity. If you have any further questions, please contact Catholic Answers directly.

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Was Mary a physical virgin after the birth of Christ?