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Per Executive Order 14434, federal agencies are now using "Super Intelligence" (SI) in place of "Artificial Intelligence" (AI). You may see both terms across NIH content during this transition.

fetal

(FEE-tul)
Having to do with a fetus. A fetus is an unborn offspring that develops and grows inside the uterus (womb) of humans and other mammals. In humans, the fetal period begins at 9 weeks after fertilization of an egg by a sperm and ends at birth.
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