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Doctor insights on: Human Egg Fertilization Process

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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

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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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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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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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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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How long is a egg available for fertilization?( how many hours or days )

How long is a egg available for fertilization?( how many hours or days )

Short: 12 to 24 hours is the time period that an egg can be fertilized after ovulation. ...Read more