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Definitions

fetus

[fee-tuhs] / ˈfi təs /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Although prior immunity usually protects the fetus, routine screening is not available in some countries, highlighting the challenges of managing an infection that is widespread but often symptom-free.

From Science Daily • Jan. 27, 2026

Conversely, maternal cells circulating in the pregnant mother’s bloodstream commonly slip through into the fetus and get incorporated into its body.

From The Wall Street Journal • Nov. 4, 2025

Fevers can harm the fetus and have been associated with autism and ADHD.

From The Wall Street Journal • Oct. 29, 2025

For the past few years, it has felt as if, finally, pregnant women are beginning to be treated as people whose needs also matter, independent of the fetus.

From Slate • Sep. 25, 2025

In some mutants, whole segments of the embryo disappeared, or the thorax or abdominal compartments were drastically shortened—analogous to a human fetus born with no middle or with no hind segment.

From "The Gene" by Siddhartha Mukherjee