Infertility: why does an egg develop into an embryo or not?
By studying the causes of infertility, researchers have highlighted certain characteristics of eggs that are fertilized and develop into embryos. ...
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“Human embryo models” created without sperm or egg
Israeli researchers have succeeded in creating a “synthetic” human embryo without using sperm or eggs. THE ESSENTIAL Israeli researchers have ...
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Synthetic human embryos created in the laboratory
American researchers have succeeded for the first time in creating synthetic human embryos in the laboratory. THE ESSENTIAL For the ...
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How do nanoplastics damage our body?
According to a German study conducted on zebrafish embryos, polyethylene terephthalate (PET) nanoplastics, a widely used plastic, could have harmful ...
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Cancer: would it be possible to deactivate certain genes before birth?
After fertilization, genes in mouse embryos are activated in a predefined order and the triggers responsible are linked to cancer. ...
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IVF: artificial intelligence could improve success rates
In vitro fertilization (IVF) may not be successful for various reasons. American researchers have recently developed an algorithm that would ...
Read moreThe challenges of “three-DNA” babies
It is a historic decision that the United Kingdom could announce on Tuesday, February 3. British MPs must indeed vote ...
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IVF: frozen embryos increase the risk of complications during pregnancy
The use of frozen embryos for in vitro fertilization increases the risk of arterial hypertension (HTA) in pregnant women. THE ...
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Malformations, cancers: what happens during the development of the embryo
The mutation of a gene involved in the development of the embryo could explain why babies are born with physical ...
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The genesis of a human being created in the laboratory
Using stem cells, British scientists have succeeded in reproducing in the laboratory the very first stages of development of a ...
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How researchers hope to treat infertility with fake embryos
Researchers have developed blastoids, that is to say models of embryos created in the laboratory. Thanks to these, they will ...
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Bioethics law: what it changes for research on embryonic stem cells
The bioethics law, definitively adopted on June 29, is changing research on embryonic stem cells. A very sensitive area on ...
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This discovery explains miscarriages in early pregnancy
Thanks to a new method of embryo research, one of the main causes of miscarriage has been identified. THE ESSENTIAL ...
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Human-ape chimeric embryos created for the first time: Exciting or worrying?
A team of Chinese and American researchers has succeeded in injecting human stem cells into primate embryos and causing them ...
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Embryo: promising discoveries against miscarriages and infertility
British researchers have made new discoveries about the embryonic cells that form the placenta. THE ESSENTIAL The cells that allow ...
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Birth of two twins conceived… three weeks apart!
In the United Kingdom, a mother gave birth to twins… But, extremely rare, they were three weeks apart, which means ...
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Molly, baby girl born thanks to a 27-year-old embryo donation
An American couple donated embryos in 1992. Thanks to this, Molly was born in October 2020, 27 years later. She ...
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Covid-19: can it affect men’s sperm and have effects on the immune system of future children?
Research is currently underway to determine if men who have contracted Covid-19 experience a change in the genetic material of ...
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Bioethics law: insight into preimplantation diagnosis (PGD-A)
Nine months after its adoption at first reading in the National Assembly, the bill on bioethics is back in the ...
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A model of an embryo developed from human stem cells
For the first time, researchers have developed a model of a human embryo from stem cells. If this model is ...
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PMA: pre-implantation screening for trisomy 21 refused by the Senate
The measure was to allow the experimentation of screening for chromosomal abnormalities before in vitro fertilization for couples who have ...
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PMA: a post-mortem embryo transfer refused by the courts
A Frenchwoman wishes to have a third child from her deceased husband. They had conceived embryos, during his lifetime, by ...
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How fertility clinics improve women’s chances of having a child
A study analyzes the mechanisms that can increase women's chances of having successful pregnancies in fertility clinics. Having children is ...
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Ancient reptilian muscles discovered in human embryos
Thanks to 3D imaging, researchers have succeeded in showing the presence in human embryos of reptile muscles which disappear after ...
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A young woman carried her twin sister’s fetus for 17 years
A young Indian woman carried her twin sister's fetus in her womb for 17 years. An extremely rare case of ...
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Transplantation: Japan authorizes research on human-animal hybrid embryos
For the first time, the Japanese government has given the green light for the cultivation of human cells in rat ...
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United Kingdom: researchers evolve a human embryo into a bird’s egg
For the first time, scientists have shown that a small group of cells in the human embryo dictates the fate ...
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In the United States, scientists develop a human-sheep embryo
A researcher from the University of California (United States) announced Sunday at the annual meeting of the American Association for ...
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The French want to change the law on assisted reproduction, surrogacy, euthanasia and genetic manipulation
Following Emmanuel Macron's campaign promises on the legalization of assisted reproduction for all, and prior to the revision of the ...
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Baby born from frozen embryo in 1992
In the United States, a young woman gave birth to a child from a frozen embryo 24 years ago. A ...
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