How safe is barebacking if the partner withdraws before ejaculating?
Barebacking carries various risks of STD transmission even without ejaculation -- herpes, gonorrhea, chlamydia and syphilis infections can all be transmitted without any cum present. HIV has been isolated from pre-cum and could theoretically be transmitted even without full ejaculation. Of course, the risk of transmitting HIV without ejaculation is definitely lower than with ejaculation, but there is still some risk involved.
To your health,