fetus

word

Definition

A fetus is a developing baby inside the womb, from about eight weeks after conception until birth.

Usage & Nuances

'Fetus' is primarily used in medical and scientific contexts. Not commonly used in everyday conversation; 'baby' or 'unborn baby' is more casual. In American English, it's spelled 'fetus'; in British English, 'foetus.'

Example Sentences

They were relieved when the scan showed the fetus was developing normally.

natural

The doctor showed us an image of the fetus during the ultrasound.

basic

A fetus grows inside the mother's womb.

basic

The heart of the fetus starts beating early in pregnancy.

basic

By the third month, the fetus can already move its arms and legs.

natural

Doctors monitor the health of the fetus through regular checkups.

natural