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

Health

Sperm sorting method could prevent girls being born, scientists warn

A new way of sorting sperm could lead to products that couples could use at home to make them less likely to conceive a girl, scientists have warned

News

IVF

Technology

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

Comment

sperm under microscope

Health

Extracting sperm directly from testicles could help infertility issues

News

Injecting an egg

Health

Several IVF attempts can signal higher risk for any eventual pregnancy

News

A lady in a polluted town

Health

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

News

A person looks at a pregnancy test

Health

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

News

reproductive biology service

Health

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

News

Twins in the womb

Humans

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

News

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

Experiments in fish suggest offspring from older sperm may be healthier – a finding that could change the ways IVF clinics select sperm

News

Health

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

News

Health

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

Insight

Health

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

News

Health

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

News