100% in time...: If semen ejaculated inside the mouth, 100% of sperms inside the semen will be killed as soon as swallowed down to the stomach; keeping inside the mouth, they are surely dead within minutes; if spitted out, die as well. If ejaculated inside the vagina, they are ready to swim through cervical canal, uterine cavity, Fallopian tube ... to fertilize the waiting egg.
Answered 7/11/2014
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