Penitration=risk, that is what we go by.
i thought i read that the disease is mostly deeper in the vagina?
i was not hard so i was barely inside. does that change anything?
Well since you had unprotected sex then you are at risk. Unlikely yo get HIV from 10-15 seconds but test at 28 days with a DUO test.
also i would like to add that there is very little chance that she came or pre came at all