This common chemical could cause chromosomal abnormalities in eggs
An American research team recently observed that benzyl butyl phthalate (BBP) could have effects on eggs and impact human reproduction. ...
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A skin cell transformed into a functional egg by researchers
American researchers have succeeded in transforming a skin cell into an egg cell in mice. THE ESSENTIAL Researchers have succeeded ...
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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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Cystitis: lactobacilli to prevent recurrences?
Administering vaginal ovules containing Lactobacillus crispatus could reduce the risk of recurrent cystitis. THE ESSENTIAL The vaginal microbiota of postmenopausal ...
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A record number of egg and sperm donations recorded in 2021
Last year, according to the Biomedicine Agency, the number of gamete donors broke records in France. THE ESSENTIAL There are ...
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How sperm get accepted by the female immune response
When they arrive in the woman's body, the sperm send signals to the reproductive tissues to be accepted by the ...
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Resins used in dental appliances could harm fertility
Devices 3D printed in resins used for dental care, although considered bio-compatible, could be toxic to oocytes. THE ESSENTIAL The ...
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How Heat Affects Sperm Quality
Increased heat alters specific DNA sequences and proteins that control sperm activity, potentially leading to infertility. THE ESSENTIAL The optimum ...
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Fertility: how eggs prepare to be fertilized
For the first time, researchers have identified the successive genetic stages through which an immature ovum passes in order to ...
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Infertility: how human eggs select sperm
As in animals, human eggs choose among sperm that present themselves to them through chemoattractant molecules. It is not always ...
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Receptors on uterine cells involved in sperm selection
A scientific team from the University of California has discovered the presence of receptors on uterine cells, which would facilitate ...
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Human eggs were developed in the lab until they were ready to be fertilized
This is unheard of: a team of British and American researchers has succeeded in developing human eggs from their early ...
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The mystery of fertilization
How, among hundreds of millions, a single sperm achieves its purpose. This is the mystery of life. Well the recognition ...
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Baby mice are born without fertilization
Researchers question the dogma of sexual reproduction. They succeeded in giving birth to mice using non-viable embryos.The meeting between an ...
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French people without children will be able to donate their gametes
To increase the number of potential gamete donors, Marisol Touraine is expanding the donation of oocytes and sperm to people ...
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Infertility: first attempts to create artificial eggs and sperm
British researchers are developing a technique to transform stem cells from the skin into embryos. Promising research, although there is ...
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European justice authorizes patent on ova
Seized by the British justice, the Court of Justice of the European Union authorized the patenting of ova activated by ...
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Egg freezing in France: for medical reasons only
While Facebook and Apple are proposing to finance the freezing of their employees' eggs, whyocteur is going back on French ...
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Facebook and Apple propose to delay the biological clock of their employees
The two giants will subsidize the vitrification of their employees' oocytes to the tune of $ 20,000, to enable them ...
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These French women who freeze their eggs abroad
While France prohibits the societal self-preservation of oocytes, women go to foreign clinics to carry out their maternity project. Here ...
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Choose the sex of your child to avoid a hereditary disease
For the first time, a Swiss hospital will apply an American medical technique to select the sex of babies. A ...
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Egg donation triples the risk of hypertension for pregnant women
Pregnant women after egg donation are at greater risk of gestational hypertension and preeclampsia. The risk is tripled compared to ...
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