(British (in nontechnical use) also foetus)
Definition of fetus in English:
noun (plural fetuses)
An unborn offspring of a mammal, in particular an unborn human baby more than eight weeks after conception.
- A small subset of fetuses with large lung lesions will become hydropic, deteriorate rapidly, and die in utero.
- Feedback is currently being used in a trial of early versus delayed delivery for preterm, growth retarded fetuses.
- How well a woman and the fetus do during pregnancy depends upon the type of heart problem.
embryo, unborn baby/child
late Middle English: from Latin, 'pregnancy, childbirth, offspring'.
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