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Doctor insights on: How Fertilization Of An Egg Affects The Process Of Menstruation

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What is the process of fertilization of the egg by the sperm?

What is the process of fertilization of the egg by the sperm?

Here are some...: Fertilization takes place only the egg & one lucky sperm meet at right time & place, and under right environment; specifically speaking, ovulated egg sucks into Fallopian tube in waiting mode, and sperms-rich semen ejaculate in the depth of vagina, from where the sperms released from liquefied semen start to move and swim "upstream" into cervix, through uterine cavity, and into F-tube to fertilize ...Read more

Menstruation (Definition)

The menstrual cycle begins with the shedding of the uterine lining, resulting in bleeding from the vagina. A few weeks later, one ovary releases an egg and the uterine lining thickens in preparation for a potential pregnancy. Pregnancy can occur at this stage if sperm fertilizes the egg. If the egg is not fertilized, the egg will leave your body and ...Read more


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Can sperm still fertilize an egg 24 hours after ovulation? If yes, will the sperm need another 12 hours for the capacitation process?

Can sperm still fertilize an egg 24 hours after ovulation? If yes, will the sperm need another 12 hours for the capacitation process?

Yes they can: Fertilization can definitely take place 24 hours after ovulation. The capacitation usually takes place shortly after ejaculation and is facilitated by the uterine environment. It doesn't take 12 hours to occur. If you don't want to worry about an unwanted pregnancy or hiv/std, be more careful and don't have unprotected sex. ...Read more

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Is it true that male sperm can not fertilize an egg unless it goes through a process called capacitation which takes about 10 hours to complete?

Is it true that male sperm can not fertilize an egg unless it goes through a process called capacitation which takes about 10 hours to complete?

Yes: Sperm normally undergoes capacitation as it travels through the female reproductive tract. Also artificial capacitation occurs during sperm washing in the laboratory with the spinning process along with the special culture media used. ...Read more

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Is 16 eggs fertilized out of 27 in IVF process a good fertilization rate?

Is 16 eggs fertilized out of 27 in IVF process a good fertilization rate?

Its ok: I would focus on the encouraging sign that you had 16 fertilized eggs. Hopefully they will continue to develop ...Read more

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I was in the process of IVF and after egg retrieval my eggs did not fertilize. When should my period start? I was not on progesterone.

I was in the process of IVF and after egg retrieval my eggs did not fertilize. When should my period start? I was not on progesterone.

Sooner: Usually the menstrual cycle may start sooner after an egg retrieval without Progesterone support. If you don't start then do a pregnancy test. Especially if you had intercourse prior to the egg retrieval. ...Read more

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If a woman's egg is fertilized by a sperm and it doesn't reach the womb, there will be still menstruation?

If a woman's egg is fertilized by a sperm and it doesn't reach the womb, there will be still menstruation?

No: If an egg is fertilized and not implanted in the uterus; it results in what we call an ectopic pregnancy.This could be life threatening, this is usually tubal and occasionally ovarian or abdominal. In any case menstruTion still would not occur. There maybe some abnormal bleeding ...Read more

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Can sperm fertilize an egg, travel and implant in 2 days?

Can sperm fertilize an egg, travel and implant in 2 days?

Sort of: Sperm can 'travel' through the cervix, uterus, and into the tube and fertilize an egg in 2 days or less. Implantation is independent and always happens 6-7 day after fertilization. ...Read more

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If I have sex on the 7th will that sperm fertilize the egg before sperm during sex on the 11th?

If I have sex on the 7th will that sperm fertilize the egg before sperm during sex on the 11th?

Hmmm....: Have never known sperm to be selflessly polite, and swim in place (they can't stand in line), waiting for sperm from an earlier day to go first. However, many sperm from an earlier day would likely have tired out by the time the newer sperm arrived on the scene. But still, nobody knows. If one man, it doesn't matter. If two men, the rule is to separate men by at least TWO weeks. It's a good rule. ...Read more

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What is the chance of mutant sperm being able to fertilize egg, where the baby born will have genetic defect/disease?

What is the chance of mutant sperm being able to fertilize egg, where the baby born will have genetic defect/disease?

Probably does happen: This is less likely to happen than fertilization by a healthy sperm. One of the features of male reproduction that differs from that of the female is the screening process created by sperm function. Fertilization is achieved by the healthier sperm that swims better/faster & gets there first. Could that include faulty genetic information? Yes. Yet it couldn't be bad enough to disable the sperm. ...Read more

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We had unprotected sex, then couple of hours later she had her menstrual, did my sperm wasn't able to fertilize the egg?

We had unprotected sex, then couple of hours later she had her menstrual, did my sperm wasn't able to fertilize the egg?

Ovulation: A female only is fertile when she is ovulating. Sperm cause pregnancy if left in the vagina during the five days leading up to ovulation. Once ovulation has occurred sperm cannot cause pregnancy until the next cycle. Ovulation is usually just shy of half way through the menstrual cycle. ...Read more

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How long does sperm have to stay in the vagina for it to be able to fertilize an egg, I have been trying for 3 months now?

How long does sperm have to stay in the vagina for it to be able to fertilize an egg, I have been trying for 3 months now?

Only a few minutes.: If the egg is there it does not take long to fertilize. Sperm can live in the female genital tract for about 5 days. The egg on the other hand lives for about 24 hours. You should have sex about every 2-3 days during your fertile times. Http://yourfertility. Org. Au ...Read more

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If I had unprotected sex on the 31st of july and ovulated on the 2nd of august will the sperm still be living to fertilize my egg?

If I had unprotected sex on the 31st of july and ovulated on the 2nd of august will the sperm still be living to fertilize my egg?

Secrets of Ovulation: Yes. Of course. Every expert I know and every health class I have heard of teaches females that from three to four days prior to ovulation to the end of the ovulation day is the days to absolutely protect against pregnancy. ...Read more

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How many days after fertilization does the fertilized egg become a blastocyst? Then embryo? What implants-the blastocyst or embryo?

How many days after fertilization does the fertilized egg become a blastocyst? Then embryo? What implants-the blastocyst or embryo?

The process: As the fertilized egg divides, it is first known as a morula. Approximately 5 days from first fertilization it forms into a hollow ball known as a blastocyst. This blastocyst implants and begins to sort itself out into different layers--the inner group becomes the embryo and the outer layer will work to nourish and protect. At approximately 6-7 weeks from time of fertilization, an embryo begins. ...Read more

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If you have unprotected sex 3 days before you ovulate and the day you ovulate will the sperm from the 3 days before fertilize the egg first?

If you have unprotected sex 3 days before you ovulate and the day you ovulate will the sperm from the 3 days before fertilize the egg first?

See answer: In general, sperm can survive in the vagina for 1-2 days but up to 5 days in the right environment such as the cervix and uterus. The egg, on the other hand, has a life span of about 12-24 hours. Therefore, fertilization could occur with the sperm from either of the 2 ejaculations. ...Read more

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If a egg is available and sperm is deposited in the vagina, do fertilization start immediately? Or do it take awhile for sperm to reach the egg?

If a egg is available and sperm is deposited in the vagina, do fertilization start immediately? Or do it take awhile for sperm to reach the egg?

No: The egg must be picked up by the tube, the sperm must travel forward into the tube. Then fertilization occurs there. So usually takes a few days. ...Read more

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Hello, I had ivf, only 1 egg fertilize out of 2. I got a call today saying its A grade embryo on day 3. what are the chances of surviving till day 5?

Hello, I had ivf, only 1 egg fertilize out of 2. I got a call today saying its A grade embryo on day 3. what are the chances of surviving till day 5?

Consider d3 transfer: Impossible to say with certainty, though top quality d3 embryos are optimistic for making d5. My question is: if you have 1 embryo, why wait for d5 and not transfer on d3? If you were planning to do PGS (at age 28?) you'd need to wait, but I see few other reasons (avoid OHSS?) not to just transfer on d3. Elective frozen transfers are also becoming very popular but risky for 1 embryo. Good luck! ...Read more

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What happens when abnormal sperm fertilize an egg?

What happens when abnormal sperm fertilize an egg?

Here are some...: Abnormal sperms denote those sperms with odd shape or poor motility, which tend to less possibly penetrate the timely waiting egg. Nonetheless, if luckily and successfully penetrating to get into the egg takes place, fertilization (union) occurs to form zygote which in turn undergo cell division to form embryo, which will embed onto uterine mucosa (endometrium) where it eventually develops fetus ...Read more

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What shuld be the normal motility of the sperm to fertilize the egg?

What shuld be the normal motility of the sperm to fertilize the egg?

Swim straight: Most sperm are classified as having a motility score of 0 to 4. Forward progression, swimming straight, is classified on a scale based on their speed and ability to swim forward or straight. 2+ or above is considered 'normal' on this scale. ...Read more

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What happens to the egg after menstruation?

What happens to the egg after menstruation?

It disappears!: The egg has a short life...Like any other cell in the human body, so it dies and disssolves, unless it is fertized by a sperm. ...Read more

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If I'm not ovulating and I have unprotected sex is it okay if he cums inside me since there is no egg to fertilize?

If I'm not ovulating and I have unprotected sex is it okay if he cums inside me since there is no egg to fertilize?

Not necessarily: Sperm can survive up to 6 days, so even though you are not ovulating now, you are at risk if it happens sometime in the next week. It is unlikely that you can be certain that will not happen. Don't take chances unless it will be OK if you get pregnant. ...Read more

Dr. Andrew Seibert
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Dr. Alan Patterson
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