Genetics

Male fertility genes discovered

A new study has revealed previously undiscovered genetic variants that influence fertility in men. The findings, published by Cell Press on May 24th in the American Journal of Human Genetics, shed much-needed light on human ...

Obstetrics & gynaecology

Counting the cost of infertility treatment

Although the demand for infertility treatment is rising, the high cost may deter some couples from seeking care. Researchers from the University of California-San Francisco assessed direct out-of-pocket costs for couples ...

Medical research

Radiant zinc fireworks reveal human egg quality

A stunning explosion of zinc fireworks occurs when a human egg is activated by a sperm enzyme, and the size of these "sparks" is a direct measure of the quality of the egg and its ability to develop into an embryo, according ...

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