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Fetus in Irish (Féatas): Meaning, Pronunciation, Usage

The Irish for fetus is féatas, a masculine noun (plural féatais).
Updated October 2026Report a mistake

How to say “fetus” in Irish

Irish:
féatas
English:
fetus
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“FAY-tus”  /ˈfʲeːt̪ˠəsˠ/
Various forms
Plural:
féatais (fetuses)
Genitive singular:
féatais, an fhéatais (e.g. forbairt an fhéatais, development of the fetus)
Genitive plural:
féatas, na bhféatas (e.g. sláinte na bhféatas, the health of the fetuses)

What does “féatas” mean?

fetus
An unborn baby or animal in the later stages of development in the womb.Also: foetus, unborn baby, unborn child.

“Féatas” with the article

The plural of fetus in Irish is féatais. Here is féatas after the article (an t-alt), in the singular and the plural.

an féatas
the fetus
No change after an
na féatais
the fetuses
Plural: no change after na

“Féatas” in a sentence: Irish examples

Common Irish sentences using féatas, the Irish word for fetus.

Bhí an féatas ag fás go maith.
The fetus was growing well.
Chonaic an dochtúir an féatas ar an scáileán.
The doctor saw the fetus on the screen.
Seiceálann siad croí an fhéatais gach mí.
They check the fetus's heart every month.
Is féatas é an leanbh roimh bhreith.
The baby is a fetus before birth.
Rinneadh staidéar ar fhéatais ainmhithe san ollscoil.
Animal fetuses were studied at the university.
Tá an féatas slán sa bhroinn.
The fetus is safe in the womb.
Bíonn tionchar ag aiste bia na máthar ar an bhféatas.
The mother's diet affects the fetus.

Other nouns in Irish

More everyday Irish nouns to learn next.

Fetus in Irish: frequently asked questions

What is the Irish for fetus?

The Irish for fetus is féatas (pronounced “FAY-tus”). It’s a masculine noun and the plural is féatais.

How do you pronounce féatas in Irish?

Féatas is said like “FAY-tus” (IPA /ˈfʲeːt̪ˠəsˠ/).

What is the plural of fetus in Irish?

The plural of féatas is féatais; with the article, na féatais means “the fetuses”. The genitive plural is féatas, as in sláinte na bhféatas (the health of the fetuses).

Why does féatas change to fhéatas or bhféatas?

Irish changes the start of some words after certain words. After mo (my) féatas becomes m'fhéatas (lenition), and after ár (our) or i (in) it becomes ár bhféatas (eclipsis).

What is the difference between 'féatas' and 'suth'?

'Suth' is the embryo in the early stages, while 'féatas' is the fetus in later development, though 'suth' is sometimes used loosely for both.

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