Is the pull out method effective? Samples were obtained by masturbation and by touching the end of the penis with a Petri dish prior to ejaculation. Pre-ejaculatory samples tended to be more cellular and in only 3 of the 40 paired samples were sperm concentration and motility identical. No sperm, no problem. Author manuscript; available in PMC Feb 5.
Learn about other methods of contraception.
Sperm and Pre-Cum: What You Need to Know
How long can sperm live outside the body? Approximately 1 in 6 U. Note was taken of the time since last ejaculation and any significant general health factors. So what does this mean? Withdrawal is one of the least effective contraceptive methods - although it offers better pregnancy protection than no method at all. In other words, sperm may be released prior to ejaculation, or men may be unable to predict the moment of their ejaculation and subsequently fail to admit to this. Consider keeping emergency contraception on hand to help.