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According to WebMD, the fastest sperm can get to a fallopian tube is about 30 minutes, meaning that the quickest conception could occur following sex is in the half-hour range . This means that, following sex, the egg could be fertilized before you've gotten up to get a drink of water.

According to Harms, conception can occur as many as five days after sex or possibly longer, as strong, healthy sperm can survive for about that many days (and perhaps even longer) in the supportive environment of the fallopian tubes as they wait for an egg to be released, if one isn't already present. Here's how it works: Fertilization happens in one of the fallopian tubes, which carries an egg from an ovary to the uterus. It can take up to seven days after intercourse for sperm and egg to join and become a fertilized egg. Usually, it's because the sperm gets into the fallopian tube before the egg is released.

Here is more from Answers.com contributors:

  • I would say at least a couple of hours, but it could take up to three days. Depending you your body and where the egg is in the cycle.
  • The sperm that will be able to fertilize the egg will leave the cervix, at the most, 30 minutes. It does not take 3 days for the sperm to get to the fallopian tubes to ovulation. It can take minutes for at least some of the sperm to reach the fallopian tubes where they are stored waiting for the egg to pop out if it hasn't already popped out.
  • As a general rule, less than three days.
  • Well from what the Doctor told me when I got pregnant, it can take anywhere from the moment it happened to 8 days after the moment. Sorry if that doesn't help any just what I was told.
  • I don't know the answer, but I will tell you what I do know. Sperm travels about 1/8 inch per minute. Sounds pretty slow until you realize Sperm is about 1/600 inch long. If you scale that up to "human" size that's about 4-5 miles / hour -- slow jogging speed. The penetration of the penis and location of the egg in the fallopian tubes is only two factors that will affect time. Not all sperm swim in the correct direction. Some "hang back" and may not move into the fallopian tubes for 2 or 3 days. This is why you can have intercourse before ovulation and still get pregnant by sperm from a few days ago.
  • Sperm can last 3 to 5 days inside a woman. Every woman ovulates differently. People will tell you the average woman ovulate 14 days from the day you start your period
  • It takes about two hours to make the entire journey to the egg; however, some sperm are Olympic swimmers and can reach the egg in a half an hour. If no egg is available to fertilize, the sperm swim around patiently waiting to bump into one. Because there is no chemical or physical attraction of the sperm for the egg, the sperm literally must bump into the egg.
  • Straight from the professionals it is instantenious, as soon as the sperm gets inside it happens as quick and clapping your hands.

    Yes, there is a chemical attraction to the egg, the egg has a protein sperm swim towards.

  • Within three hours after intercourse. And they die off after three days..unless of course your taking Birth Control or the morning after pill.
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13y ago

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Related Questions

How long does a human sperm travel to the egg?

It takes sperm approximately 30 minutes to 12 hours to reach and fertilize an egg after ejaculation. The journey depends on factors such as the distance between the cervix and the egg, as well as the quality and motility of the sperm.


How long for female sperm to reach egg?

Only males have sperm. There is no such thing as female sperm.


Can the sperm take three months to reach the egg and fertilize it?

No, sperm do not take three months to reach the egg. Once sperm are ejaculated, they can swim through the female reproductive tract and reach the egg within a few hours to a few days. However, sperm can survive in the female body for up to five days, allowing for a window of time for fertilization to occur after intercourse. The actual process of fertilization happens almost immediately once sperm encounters a viable egg.


How long does egg and sperm take to enter tube?

After ejaculation, sperm can reach the fallopian tubes within minutes to a few hours. An egg is usually released from the ovary into the fallopian tube during ovulation and can be fertilized by sperm within 12-24 hours of ovulation.


How long does it take the sperm to meet the egg?

Sperm can typically survive in the female reproductive tract for up to five days. After intercourse, it usually takes a sperm around 6-12 hours to reach the fallopian tubes where fertilization of the egg can occur if timing is right.


Does sperm always reach the egg during fertilization?

No, sperm does not always reach the egg during fertilization. Only one sperm typically fertilizes the egg, while the rest are blocked from entering.


When sperm reach oviduct there no egg there what happen to the sperm?

the sperm just die


Can sperm still fertilize an egg without the tubes?

No, sperm must travel through the fallopian tubes to reach and fertilize an egg. Without the tubes, the sperm cannot reach the egg for fertilization to occur.


What helps sperm reach the egg during fertilization?

During fertilization, sperm reach the egg with the help of their tail movement and enzymes that break down the egg's outer layer.


Can 2 sperm reach the egg?

Yes, it is possible for 2 sperm to reach the egg, however only one will fertilize the egg. It isn't uncommon for more than 2 to reach the egg, depending how are along the egg is down the falopian tube. And how much sperm was ejaculated.


When sperm reach the oviduct there is no egg what happens to the sperm?

If there is no egg present in the oviduct when the sperm arrive, the sperm will typically die off and be naturally cleared from the body. They have a limited lifespan and cannot survive for long periods within the female reproductive system without encountering an egg for fertilization.


How long does it take for fertilization to occur after insemination?

Sperm only live up to a maximum of three days. But they also have to REACH the egg which they can do within an hour. Therefore fertilisation could happen in one hour after sex, or if you had sex yesterday, the sperm could be lying in wait for the egg to come to them!