text: during sex i experience some kind of blood coming out of my partners vagina,without pain.what is the problem? she says she feels no pain during sex act,and she is confuse also why the flow should be there. this could be a serious problem.  ask her how long she has been experiencing this.    f u are sure that she is not in her period and that u are not rough with her, then there might be something wrong with her.  please don't abandon her for whatever answer she gave you and support her to see a doctor and get a remedy.  please show her that u care and fight the problem together.  wishing u all the best