how far does sperm travel to fertilize an egg

Best answer


15 to 18 cm

People also ask


  • How far do sperm travel during pregnancy?

  • The distance sperm travel is about 15 to 18 cm, and they participate in a race against time. It cannot take too long for them to reach the egg once it has been released from the ovary (after ovulation), as the lifespan of an egg is not longer than 24 hours.

  • How long does it take for sperm to reach the egg?

  • Usually, the sperm reaches the egg within 15 to 45 minutes of ejaculation. However, the process could be much longer than that if you haven鈥檛 ovulated yet by the time you have sex, because sperm can live inside a reproductive tract and wait for an egg for up to five days.

  • How many sperm enter the uterus and fertilize the egg?

  • Out of the approximately 5,000 sperm that enter the utero-tubal junction, about 1,000 get inside the Fallopian tube. Finally, out of the 1,000 that enter the tube, it is estimated that only 200 make it to the egg. However, in the end, only 1 sperm out of the 200 that reach the egg is able to penetrate and fertilize it. We’re already 535!

  • How long does it take for sperm to swim the distance?

  • Now that we know how far they have to travel, you鈥檙e probably wondering how long it typically takes for sperm to swim the distance. Usually, the sperm reaches the egg within 15 to 45 minutes of ejaculation.

    how far does sperm travel to fertilize an egg

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