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Doctor insights on: Human Egg Fertilization Process

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How does IVF "egg donor" process work?

How does IVF "egg donor" process work?

Overview here ...: First you choose either an anonymous egg donor (usually under 30) or a known donor. The donor is tested for egg supply, infections, genetic or psychological issues. When you are ready, the donor receives shots to make multiple eggs then has eggs removed. The eggs are fertilized in the lab with your partner's sperm, grow into embryos, and the best 1-2 embryos are replaced. Any extras can be frozen. ...Read more

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Does a fertilized egg release any hormones before implantation?

Does a fertilized egg release any hormones before implantation?

Yes: The embryo releases many hormones and other signals. Most of them are not completely understood and are not able to be measured. But the embryo secretes things that help it to implant into the uterus. ...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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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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What is zygote intrafallopian transfer?

What is zygote intrafallopian transfer?

ZIFT: Zygote intrafallopian transfer (zift) is a surgical, laparoscopic, procedure where a zygote is placed in the female's fallopian tube. The zygote continues to grow and migrates to the uterine cavity where it implants. ...Read more

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What is egg retrieval for assisted reproduction?

What is egg retrieval for assisted reproduction?

Assisted ovulation: An egg retrieval is the removal of eggs form the ovary using ultrasound guidance under sedation. ...Read more

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Can sperm ovulate dead ovum ?

Can sperm ovulate dead ovum ?

Here are some...: Seemingly this Q was answered. But do you mean sperm fertilize dead ovum? If so, the dead material would not biologically fuse to let fertilization take place; then there is no game. More? Ask your ob-gyn doctor timely. Best wish... ...Read more

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What is involved in zygote intrafallopian transfer (zift)?

What is involved in zygote intrafallopian transfer (zift)?

ZIFT: Zygote intrafallopian trasfer (zift) is a laparoscopic surgical procedure where zygotes are placed in the fallopian tube of the female partner. The zygote will continue to grow and eventually migrate to the endometrial cavity to implant. ...Read more

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Does discharge from ovulation stop when an egg is fertilized?

Does discharge from ovulation stop when an egg is fertilized?

Cervical mucous: Thinning of the cervical mucous which allows easier sperm penetration is also a sign of ovulation. That continues throughout early pregnancy until a mucous plug of pregnancy forms. ...Read more

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Can sperm affect already fertilized egg?

Can sperm affect already fertilized egg?

No: An egg can be fertilized by only one sperm. Once the egg has been fertilized, it becomes impenetrable and no other spermatozoa can affect the egg. ...Read more

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Which Fertile Day Is The Egg Released.?

Which Fertile Day Is The Egg Released.?

Day 14: Its different for each woman; however, most women ovulate around day 14 of their menstrual cycle. (Day 1 is the first day of your period) If you want to be more precise, you can buy an ovulation prediction test in the pharmacy without a prescription. It will tell you when you are about to ovulate. Best wishes! ...Read more

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After embryo transfer when will egg be retrieved?

After embryo transfer when will egg be retrieved?

Confused: The egg(s) must be retrieved before embryo transfer - so they can be fertilized and become embryos. Maybe i didn't understand your question? ...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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Can ascites caused by endometriosis prevent the sperm from fertilizing the egg and the fertilized egg attaching to the uterus?

Can ascites caused by endometriosis prevent the sperm from fertilizing the egg and the fertilized egg attaching to the uterus?

No: Endometriosis is a complex affliction. It can cause infertility by causing mechanical problelms with the fallopian tubes...Ascites will have no direct effect on the process of getting pregnant. ...Read more