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fertility

sperm under microscope

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Extracting sperm directly from testicles could help infertility issues

Some male infertility may be down to the damage sperm experiences as it matures and enters semen – so taking immature sperm directly from the testes could help

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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

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A person looks at a pregnancy test

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

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reproductive biology service

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

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Twins in the womb

Humans

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

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Modified genes on DNA

Comment

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

Comment

human sperm

Humans

Offspring from older sperm are fitter and age more slowly

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DNA test could boost IVF success rates without putting embryo at risk

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DNA test could boost IVF success rates without putting embryo at risk

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pregnant woman

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People are seeking sperm donors online, but are the risks worth it?

Meeting your sperm donor offers a more personal experience, but the medical and legal complications might outweigh the benefits

Insight

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We've only just found out exactly how sperm wiggle their tails to swim

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Call for more transparency over ‘add-on’ fertility treatments

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Humans

New Scientist 50 years ago: The first test-tube babies, sort of

Regulars

Life

No contraceptive is perfect, but can you trust apps to stop pregnancy?

Insight

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