Healthy Offspring Born From Lab-Grown Sperm

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Baby mice. (Image credit: morguefile.com)

Scientists have fertilized mouse eggs with sperm created from embryonic stem cells in the lab, a new study reports.

The achievement could lead to a better understanding of sperm production and give rise to new infertility treatments, the researchers say.

After maturation, the sperm was used to successfully fertilize mouse eggs. Six of the seven mice born using the technique developed into adult mice.

The study, led by Karim Nayernia of the Institute of Human Genetics in Germany, is detailed in the July issue of Developmental Cell.