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fertility

Health

Altered gut microbiome linked to fertility issues in people with PCOS

People with PCOS who struggle to conceive tend to have lower levels of a gut microbe that has been linked to endometrial function

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Gay couple adopted baby girl and enjoying the parenthood

Health

How might society react to babies with two genetic fathers?

Leader

Adult male mice that have two fathers and went on to have offspring of their own

Health

Mice with two fathers have their own offspring for the first time

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What a medical professional sees when they oversee the procedure via a livestream

Health

World's first baby born by IVF done almost entirely by a machine

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Health

Father's gut microbiome may affect infant health

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Health

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

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Health

Blasting sluggish sperm with ultrasound waves gets them moving

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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

Health

Sperm counts are down worldwide and researchers are discovering why

Features

New 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

The majority of female mammals stop producing eggs long before the end of their potential lifespans, but in the wild few reach this point, other than humans and some whales

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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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