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Doctor insights on: Can Sperm Penetrate

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After ejaculation how can sperm penetrate an egg?

After ejaculation how can sperm penetrate an egg?

Complex Interaction: When the sperm find the egg, many of them are required to get through the outer layers surrounding the egg. Then a single sperm is allowed to fuse with the egg's cell membrane, at which time the genetic contents of the sperm are brought inside the egg. ...Read more

Sperm (Definition)

This sperm is a reproductive cell from the male that either carries a x or an y chromosome that will fertilize the egg cell from the female in order ...Read more


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Can sperm penetrate a fabric like jeans to impregnate a woman? What is the chance? Should I be worried or not?

Can sperm penetrate a fabric like jeans to impregnate a woman? What is the chance? Should I be worried or not?

Very, very rare: However, not impossible. I am aware of documented pregnancies though clothing, but this Is very rare. Like winning the lottery rare, but it has happened. ...Read more

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Can sperm penetrate in on top of vagina?

Can sperm penetrate in on top of vagina?

Yes: Cervix as at top of vagina ; entrance to the uterus. ...Read more

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Can sperm penetrate a fabric like jeans to impregnate a woman? I saw a wet spot on my jeans from semen after dry humping my naked gf.

Can sperm penetrate a fabric like jeans to impregnate a woman? I saw a wet spot on my jeans from semen after dry humping my naked gf.

Highly unlikely: From what you described, it is not feasible for your gf to get pregnant.
For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form.
Practice safe sex. ...Read more

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Sperm has to go through a process before being able to penetrate the egg?

Sperm has to go through a process before being able to penetrate the egg?

Correct: Sperm need to prepare themselves for egg penetration by first undergoing the acrosome reaction (to expose the enzymes that will dissolve the egg shell covering the egg) and then capacitation, that allows them to actually penetrate the egg once the egg shell is traversed. ...Read more

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How long does it take for sperm to penetrate an egg? Hours after introduction of sperm? Days? Does abstaining from working out help keep it up there?

How long does it take for sperm to penetrate an egg? Hours after introduction of sperm? Days? Does abstaining from working out help keep it up there?

Sperm transit time: Studies in humans are difficult, but it is estimated that only 1 sperm for every 14 million ejaculated into the woman's vagina will reach the fallopian tube within one hour of ejaculation. Sperm can stay alive inside a fertile woman for many days. It is suggested that couples trying to conceive have intercourse every other day at the fertile time. No good studies on egg penetration time. ...Read more

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How long does sperm usually stay active in virginia to penetrate an egg?

About 30 min, but..: The sperm does not fertilize the egg in the vagina. This usually takes place in the fallopian tube or uterus, and sperm can last 4-7 days in there. The vagina is a less friendly environment for sperm to survive. ...Read more

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Can sperm travel through a girls jeans and underwear? No direct contact, penetration

Can sperm travel through a girls jeans and underwear? No direct contact, penetration

Very, very hard: For a little sperm to make it through those barriers. The only way it would be remotely possible is if the clothing barriers were saturated with ejaculate/ pre-ejaculate & pressed up against the introitus. But, the scenario you presented would make pregnancy VERY unlikely. ...Read more

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The mans sperm that was in the women's virgina 5days before ovulation is more likely to penetrate egg then my sperm which entered during ovulation?

The mans sperm that was in the women's virgina 5days before ovulation is more likely to penetrate egg then my sperm which entered during ovulation?

Ovulation: There is no difference in the two sperm or their ability to impregnate an egg. But, once the egg is impregnated it cannot be impregnated again. If the ovulated egg was not impregnated by the first man's sperm then, even if your sperm impregnated the egg it may be too late for the egg to implant and cause a full pregnancy. There is no difference between the sperm. ...Read more

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Do women normally ovulate & conceive at the same time if sperm is waiting for the egg to drop? Or does it take time for the sperm to penetrate the egg?

Conception: The first sperm to the egg wins. It is instantaneous when that sperm impregnates an egg. No other sperm can enter. I think that is as clear as an answer as can be gad. So, if sperm are there conception occurs quickly after ovulation. ...Read more

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I had sex last night without penetration but there was sperms. If its possible to get pregnant when can it happens? Aftr how many days?

I had sex last night without penetration but there was sperms. If its possible to get pregnant when can it happens? Aftr how many days?

Yes: You could theoretically become pregnant but unlikely if there was absolutely no penetration. However, if there was penetration with "withdrawal" for ejaculation, then the risk is higher as some sperm could have come out prior to full ejaculation. A urine pregnancy test can be accurate within a couple of weeks after conception, around the first day of your missed period. ...Read more

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I had sex last night without penetration but there was sperms. If its possible to get pregnant when can it happens? Aftr how many days?

I had sex last night without penetration but there was sperms. If its possible to get pregnant when can it happens? Aftr how many days?

Potentially,: Sperm are motile, which means they move. It is possible to get pregnant without penetration. Sperm can survive 2-3 days in a warm, moist environment. ...Read more

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How fast can a sperm outside of vagina swim inside? If he came on top of my vagina without penetration, will I get pregnant?

Possibly: Like most "aquatic critters" sperm need a warm moist transit system to reach "nirvana" (the vagina and then the egg) if any of the ejaculate made it to the vulva (outside of your vagina) then, yes, you can get pregnant. ...Read more

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I'm really scared that I'm pregnant I didn't had vaginal penetration but it was anal I'm afraid that some sperm might slid to my part...

I'm really scared that I'm pregnant I didn't had vaginal penetration but it was anal I'm afraid that some sperm might slid to my part...

Unlikely, but...: If worried about pregnancy, such as when there is not a normal regular period later in the month, one can check a urine pregnancy test the week after missing a period, or 3 weeks after having sex. Tests are inexpensive, very accurate, and sold in stores everywhere. ...Read more

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I just received a sperm analysis test back, unfortunately my doctor is on religious leave. My mucous penetration test was low 3.3 What does this mean?

I just received a sperm analysis test back, unfortunately my doctor is on religious leave. My mucous penetration test was low 3.3 What does this mean?

Sperm: Cervical mucous penetration assesses the ease with which your sperm swims through the cervical mucous. When low indicates sperm is struggling to swim through and may result in clumping. Unhealthy sperm or female developing antibodies can cause such ...Read more

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I just received a sperm analysis test back, unfortunately my doctor is on religious leave. My mucous penetration test was low 3.3 Is this something that can be fixed?

I just received a sperm analysis test back, unfortunately my doctor is on religious leave. My mucous penetration test was low 3.3 Is this something that can be fixed?

Cervical mucous: Penetration is important in fertility evaluation. When sperm is not healthy it will not swim through the cervical mucus with easy resulting in clumping. Discuss your case with your doctor when he returns to work ...Read more

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I just received a sperm analysis test back, unfortunately my doctor is on religious leave. My sperm was Normozoospermic besides the mucous penetration test was low 3.3. Should I worry about this?

I just received a sperm analysis test back, unfortunately my doctor is on religious leave. My sperm was Normozoospermic besides the mucous penetration test was low 3.3. Should I worry about this?

No: I say this, because worrying does not improve your situation, and can only make things worse! On the bright side, you have NORMAL sperm production, so that is a positive thing. If your mucous penetration test was low, I would discuss the implications of that with your Dr when he returns. There are factors that can affect these test results. ...Read more

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Ovulation bleeding, does the blood penetrate sperm to flow into cervix? Can implantation happen?

Ovulation bleeding, does the blood penetrate sperm to flow into cervix? Can implantation happen?

No blood: Does not penetrate the sperm. It comes from a bit of disruption of the uterus where the egg burrows into the uterus to make its home. The small amount of blood that might be seen then flows out of the uterus though the cervix and outside the vagina. ...Read more

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Isn't 2% of sperm penetration for in vitro fertilization fine since there are millions of sperm and 1 egg?

Maybe: When we evaluate sperm, information can be used in certain ways, we can categorize sperm as normal, mildly abnormal or severely abnormal. We have some idea of how each parameter matters, but certain aspects are not understood. With significant abnormalities, sometimes the sperm just do not function as well, or sometimes the sperm may have genetic abnormalities and the effect goes beyond the #. ...Read more

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Is it possible to get pregnant by pre ejaculate fluid without penetration and before 1 week of ovulation? Sperms released outside.

Is it possible to get pregnant by pre ejaculate fluid without penetration and before 1 week of ovulation? Sperms released outside.

Recurrent Question: On healthtap about possibility of pregnancy that we have answered many times. Basically if you are ovulating and sperm has any possibility of entering your vagina you could be pregnant. Testing either with a home urine test or a test in the doctors office either urine or serum is the only way to know. ...Read more

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Chances of being pregnant after outercourse when no sperm involved but both private parts had contact but no penetration and no entering into opening?

Chances of being pregnant after outercourse when no sperm involved but both private parts had contact but no penetration and no entering into opening?

Sex by any other: Name...if you had sperm go into your vagina then there is the possibility of pregnancy no matter how it got there. An erect penis always leaks. If no sperm got in there then there is no possibility. If you miss a period then check a pregnancy test. Activity like you describe often leads to further activities, you may want to consider birth control if you do not wish to be pregnant. ...Read more

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Without penetration of the penis can you get pregnant if sperm should touch the outer vagina?

Without penetration of the penis can you get pregnant if sperm should touch the outer vagina?

Semen in vagina: If semen is deposited in the vagina then pregnancy can occur. The most efficient way to get pregnant is through penile vaginal intercourse in which semen is directed deposited in the vagina. There are 4 million sperm in preejaculatory fluid (precum). It only takes one to get pregnant. Use condoms. Be smart and avoid these scares. Consider starting birth control to avoid an unplanned pregnancy. ...Read more