Health
Blasting sluggish sperm with ultrasound waves gets them moving
Sperm that were immobile became active after just 20 seconds of ultrasound exposure in a lab experiment that may help boost the success of fertility treatment
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Health
Sperm counts are down worldwide and researchers are discovering why
Features
Health
Sperm sense what they are swimming through and adapt their behaviour
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Life
Most mammals go through the menopause – if they live long enough
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Health
Morning-after pill is more effective when taken with anti-inflammatory
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Health
Gene variant that raises Alzheimer’s risk may boost fertility in women
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Life
One-off injection may provide lifetime contraception for female cats
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Health
Test showing if sperm can puncture an egg may guide fertility therapy
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Life
Naked mole rats reveal biological secrets of lifelong fertility
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Health
Sperm-sorting device aims to find healthy samples to boost IVF success
Healthier sperm are normally selected for IVF using a centrifuge, which can damage the cells, but an alternative method can do the job gently by creating a current for them to swim against
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Society
What happens when sperm and egg donors lose the right to anonymity?
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Health
Genetic map of cells linked to endometriosis could improve treatments
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Health
Synthetic reproductive cells will help us understand fertility in 2023
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Humans
What will a population of 8 billion people mean for us and the planet?
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