i just recently attempted to have sex with my girl friend (who is/was a virgin)(Hymen was intact when i started) after trying for a couple of minutes we noticed that she was bleeding... this was 2 days before her period was due.. Could her broken hymen delay/miss her period??
The breaking of the hymen shouldn't change her menstrual cycle. The bleeding is most likely due to the breaking of the hymen. Because it's tissue, when it's broken it can bleed. This is normal.