Plural rule guide
What is the Plural of “Fetus”?
Learn the singular and plural noun forms, the rule behind the plural, and examples that show the form in context.
Singularfetus→Pluralfetuses
Rule: regular
Singular and Plural Form of Fetus
Fetus is the singular noun form. Fetuses is the plural form.
Why is the Plural of Fetus “fetuses”?
The Regular Plural Rule for Fetus
Words ending in s, x, z, ch, or sh add -es to form the plural. Example: fetus → fetuses
How to Remember the Plural of Fetus
Just add -s to “fetus” to make “fetuses”. Most English nouns follow this pattern.
Frequently Asked Questions About the Plural of Fetus
What is the plural of “fetus”?
The plural of “fetus” is “fetuses”.
Is “fetuses” regular or irregular?
This page classifies it as regular based on the available plural data.