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Doctor insights on: Development Of Human Embryo

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Embryo (Definition)

An embryo is a developing human being from between 1- ...Read more


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What are the stages of development of an embryo?

What are the stages of development of an embryo?

Several: First the egg is fertilized by the sperm and there should be an embryo with genetic material from the sperm and from the eggs (only 2 total sets). The the egg usually divides into 4 cells then 8 cells. The many more cells divide and the genes inside the embryo become activated. The middle of the embryo clears out and a blastocyst forms and when advanced starts to hatch out of its shell. ...Read more

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What are the stages of the development of the embryo?

What are the stages of the development of the embryo?

Typical stages: Typical stages are zygote, embryo, morula, then blastocyst. I hope thus helps! www.Ivfmd.Com. ...Read more

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During which weeks of development is a baby considered an embryo?

During which weeks of development is a baby considered an embryo?

From implant-9wk: Although some will quibble and call a fertilized egg an embryo, most agree that the true embryonic stage starts with implantation of the fertilized egg in the womb and continues to the end of the eighth week. From 9 wks to delivery is considered the fetal period. ...Read more

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During which weeks of development is the baby considered an embryo?

During which weeks of development is the baby considered an embryo?

2-7 wks: Most consider this term for the period from the creation of the embryonic disk (end wk of 2) to the end of week 7. ...Read more

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During which weeks of development is the baby called an embryo?

During which weeks of development is the baby called an embryo?

First 8 weeks: During this 8 weeks period, most organs are formed. Therefore, an embryo is vulnerable to harmful effects of teratogens. ...Read more

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Can you tell me how the type of placenta union affect development of the embryo?

Can you tell me how the type of placenta union affect development of the embryo?

Source of nutrition: placentas typically adhere to the main body of the uterus. If it is implanted near the cervix (placenta previa), it may cause bleeding, require you to have a cesarean section. Multiple lobes of placenta can also form that may have blood vessels running between. They can be at risk for bleeding. Bleeding behind the placenta noted early on can complicate your pregnancy and risk of miscarrige ...Read more

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How much time/days are required for paternal genome and blastocyst development after embryo transfer?

How much time/days are required for paternal genome and blastocyst development after embryo transfer?

What?: I'm not sure what your question is. 1. If you had a day 3 embryo transfer it will be a blastocyst in 2 days. If you had a day 5 transfer it is already a blastocyst. 2. Paternal genome is working from day one of combination of the two genomes. The dominant genes regardless of maternal or paternal origin take the lead. Sex development is initiated near the 9th week. ...Read more

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What amount time/days are required for paternal genome and blastocyst development after embryo transfer?

What amount time/days are required for paternal genome and blastocyst development after embryo transfer?

What?: I'm not sure what your question is. 1. If you had a day 3 embryo transfer it will be a blastocyst in 2 days. If you had a day 5 transfer it is already a blastocyst. 2. Paternal genome is working from day one of combination of the two genomes. The dominant genes regardless of maternal or paternal origin take the lead. Sex development is initiated near the 9th week. ...Read more

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What hormone promotes the development of the endometrium during the luteal phase in order to prepare for a fertilized embryo?

What hormone promotes the development of the endometrium during the luteal phase in order to prepare for a fertilized embryo?

Progesterone: Both estrogen and progesterone levels rise during the luteal phase of menstuation to increase the size of the endometrial lining, but progesterone has a more active role in this regard. ...Read more