Doctor insights on:
Chance Of Sperm To Fertilize Egg
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.
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
Quickly: The actual fertilization is very quick, but the sperm may wander around for days before getting to the egg to fertilize it. Millions of sperm start the journey, only one (if any) usually gets to the final destination.
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
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.
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.
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.
Would you feel when the sperm is fertilizing the egg? How long does it take for the sperm to fertilize the egg
No: You can not feel that. The initial fertilization process when the sperm penetrates the egg is less than a second. It can take minutes, hours or even a day or two for the spetm to reach 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.
They die: They die when they run out of stored energy.
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