Factbox: Fencing at the Olympics July 24, 2012 | Daniel Bases | Reuters NEW YORK (Reuters) - The sport of fencing is one of just four to be contested at every Olympic Games of the modern era, starting in 1896.
An ultrasound of a human fetus. The definition of a fetus is an unborn offspring of an animal with a vertebrae or human. A baby that has been in its mother's stomach growing for 18 weeks is an example of a fetus. fetus.
Answer: On this site, the word baby means any child from birth to age 4. Newborn refers to babies under three months of age. Infants are babies from three months to one year old.