Tag Archives: Fertility

DNA test kits are changing donor-conceived families

DNA testing is becoming more popular. Shutterstock Turi King, University of Leicester A law passed on April 1 2005 will have life-changing consequences for families across the UK from next year. Anyone conceived from a donated sperm, egg or embryo from that day onward can find out the identity of their donor parents once they reach adulthood. This means that …

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Huge drop in men’s sperm levels confirmed by new study – here are the facts

vchal/Shutterstock Chris Barratt, University of Dundee Sperm count in men from North America, Europe, Australia and New Zealand declined by 50-60% between 1973 and 2011, according to a new study from the Hebrew University of Jerusalem. Surprisingly, the study, which analysed data on the sperm counts of 42,935 men, found no decline in sperm counts in men from Asia, Africa …

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how everyday chemicals are destroying sperm counts in humans and animals

Male fertility: SciePro/Shutterstock Alex Ford, University of Portsmouth and Gary Hutchison, Edinburgh Napier University Within just a few generations, human sperm counts may decline to levels below those considered adequate for fertility. That’s the alarming claim made in epidemiologist Shanna Swan’s new book, “Countdown”, which assembles a raft of evidence to show that the sperm count of western men has …

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Male fertility: how age affects men’s chances of having children

Men can produce children for longer than women. Shutterstock/fizkes Michael Carroll, Manchester Metropolitan University In 2012, proud dad Ramjit Raghav made global headlines when he became a father at the age of 96. He had beaten the record for the world’s oldest dad – a record he’d set himself, two years earlier, at the age of 94. Older men fathering …

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