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fertility

Health

Relatives of men with fertility issues may be at higher risk of cancer

The relatives of men who produce very little or no sperm may be more likely to develop certain types of cancer than the general population

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Blasting sluggish sperm with ultrasound waves gets them moving

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Sperm counts are down worldwide and researchers are discovering why

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Illustration of sperm cells swimming. There is a worldwide decline in sperm counts, but we now have a better idea about how to fix the problem
Scientists studied bull sperm, which have similar structures and swimming patterns to human sperm

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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Morning-after pill is more effective when taken with anti-inflammatory

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Amyloid plaques in the brain of someone with Alzheimer's disease. The condition has also been linked to too much cholesterol in brain cells, slowing brain signalling

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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A light micrograph of a sperm cell being injected into an egg via an intracytoplasmic sperm injection (ICSI)

Health

Test showing if sperm can puncture an egg may guide fertility therapy

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Naked mole rat

Life

Naked mole rats reveal biological secrets of lifelong fertility

Fertility declines with age in most female mammals, but naked mole rats can develop new eggs as adults, enabling them to remain fertile throughout their lives

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Human sperm

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Sperm-sorting device aims to find healthy samples to boost IVF success

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Parents playing with a baby

Society

What happens when sperm and egg donors lose the right to anonymity?

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Abdominal pain is a common endometriosis symptom

Health

Genetic map of cells linked to endometriosis could improve treatments

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A synthetic mouse embryo (left) and a natural mouse embryo (right) show comparable brain and heart formation

Health

Synthetic reproductive cells will help us understand fertility in 2023

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