In 10 seconds? Scientists have used gene therapy to fix an abnormal cell function causing infertility. They have targeted granulosa cells that regulate the development of oocytes (eggs) in ovaries.

What’s the breakthrough about? It's about restoring fertility in females rather than making people resort to assisted reproduction therapy. One of the causes of female infertility is impaired ovulation. Researchers have managed to ‘repair’ faulty communication between defective cells in the ovaries that blocks ovulation or oogenesis, to use a sciency word… but it's early days as they achieved this in lab mice.

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