Pre-ejaculate, also called pre-cum, is the liquid that leaks out of the penis during sexual arousal but before ejaculation. Pre-ejaculate is not semen and does not contain sperm. But, it can pick up sperm remaining in his urethra from a previous ejaculation. Generally, sperm can live up to 7 days in the reproductive tract. Sperm is highly sensitive to temperature and moisture, and will eventually die outside the body. However, on average, each ejaculation contains about 300 million sperm.
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