Sciencists 3D-print ovaries for mice — and they work

Researchers at Northwestern University implanted infertile mice with 3D-printed ovaries, and those mice have successfully given birth to babies. The paper, published in Nature Communications, says these bioprosthetics were created to help people who have become infertile due to cancer treatments. The researchers used collagen-based gelatin as “ink” in the printer, and built the tissue in a lattice pattern similar to the structure of the ovaries. After building the tiny test set, they implanted them into nine mice, two of which were a control. Three of the mice with the new ovaries successfully birthed mice babies. The babies were allowed to have babies of…

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