Lemons put the squeeze on sperm

In a bid to go green and abandon use of the toxic chemical formaldehyde, scientists from the Genea fertility clinic (formerly Sydney IVF) are planning to use lemon juice in the lab to aid semen analysis.

Citric acid immobilises sperm, allowing scientists to conduct accurate sperm counts and analyse the samples for abnormalities, Genea's scientific director Steve McArthur said.

The clinic has successfully trialled the new method on 50 samples and will validate the results in a further study before completely switching to lemon juice, probably within

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