does precum at tip of penis if pushed on outside vagina and inner vagina lip,but no intercrs/std/vgna open, can flow between labia onto mucus membrane?
Thank you for contacting AIDS Vancouver Helpline as your source for HIV/AIDS related information.
From the scenario you have described, to deposit bodily fluids (semen, precum) into the vagina, this would involve penetration of the penis. Bodily fluids on the labia majora and labia minora cannot "flow" back into your vagina.
Best wishes Janet
AIDS Vancouver Helpline Volunteer