Doctor insights on:
Why Does Only One Sperm Fertilize The Egg
Can sperm fertilize the egg that is being shed during the womens period? Or it that egg no longer useful?
No: By that time the egg cannot be fertilized any longer. ...Read more
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
When the spermatogonial stem cell get mutated by chemicals, if the mutated sperm fertilize the egg, will the child have de novo genetic defect?
If I have sex a few days before my period could the sperm fertilize the egg durring my period(after its almost done).Then i would just miss my next?
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
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
No signs: A woman does not have ay signs of exactly when her egg is fertilized by a sperm, until she is pregnant. Ovulation (when the egg releases) normally happens 2 wks from the start of her last period, and the sperm must fertilize the egg within a few hours of that time. Sperm can survive for several days, so sperm present before ovulation may well lead to a pregnancy. ...Read more
Here are some ...: Known to us, once inseminated in the vagina, the sperms may survive for 3-7 days during which sperms competitively swim through cervix, uterine cavity, Fallopian's tube to fertilize the awaiting egg. But, how long does the lucky sperm take to swim to the egg is an open question since no study has been specifically done to answer your question. So, I guess fertilization take place in 1-7 days. ...Read more
Don't die together: Sperm that's put in the vagina don't all die together at one time. Most die in 2-4 days. They are living cells, swimming around, and so every man/woman/couple are different. A woman has varying hormone levels, and thus different mucus & environment, in her body on each day of her cycle, so sperm may live longer/shorter on different days. Dead sperm break up. Some become part of vaginal discharge. ...Read more
Would you feel when the sperm is fertilizing the egg? How long does it take for the sperm to fertilize the egg
Is it possible for deactivated (or dried) sperm to be able to reach and fertilize the egg inside the woman's body?
Not probable: Possibly, but it's a little early. Prime dates are 11-17. ...Read more
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