Will a subseptate hymen bleed during intercourse the first time? . And supposing if your hymen is broken, hw will ur partner know u r still a virgin?

She tells him. The man knows she is a virgin because she tells him. She knows he is a virgin because he tells her. It works both ways. Women may be judged by their happiness, their friendliness, and many other wonderful traits, but not by the condition of their hymens. It makes absolutely no difference whether a person has a big hymen, little hymen, broken hymen, unbroken hymen, subseptate hymen, etc...