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The Conversation
The Conversation
Daniel Marcu, PhD Researcher in Reproduction and Genetics, University of East Anglia

Male fertility crisis: what environmental contaminants have got to do with it

There are multiple causes of male infertility. Jacob Lund/Shutterstock

The World Health Organisation (WHO) recently reported that around one in six couples globally are affected by infertility. For many years people tended to blame women for a couple’s infertility – especially in African countries.

But it’s now known that male factor infertility contributes about 50% of total cases. And men worldwide – Africa included – are experiencing a worrying trend of decreased sperm count and quality.

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