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Fertility

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Controversial DNA screening technique used for at least one pregnancy

A company says at least one woman is pregnant after using a controversial DNA screening technique to analyse thousands of DNA variants in developing embryos

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Embryo selection for IVF, light micrograph.

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Genetic screening of IVF embryos is unlikely to lead to smarter babies

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Dr Anne McLaren, at the Natural History Museum in London

Anne McLaren
Margaret Atwood

Humans

Margaret Atwood’s The Testaments’ anti-science world is a grim warning

Culture
China's population growth has been stagnating

Humans

China鈥檚 two-child policy linked to 5 million extra babies in 18 months

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In some countries, more than 107 boys are born for every 100 girls

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Sperm sorting method could prevent girls being born, scientists warn

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IVF

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IVF add-ons are a waste of money 鈥� fertility clinics should ban them

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sperm under microscope

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Extracting sperm directly from testicles could help infertility issues

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Injecting an egg

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Several IVF attempts can signal higher risk for any eventual pregnancy

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A lady in a polluted town

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Exposure to air pollution seems to negatively affect women’s fertility

Daily exposure to air pollution, including particulate matter and nitrogen dioxide, has a negative impact on women's fertility

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IVF success rates peak as only one in four attempts achieve pregnancy

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Freezing embryos doesn’t boost IVF success rate despite common use

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Humans

Women with a twin brother are more likely to drop out of school

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Human genome editing is here 鈥� now we have to decide who is in charge

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