Answer the following question given this paragraph: 

The first year of life after birth is called infancy. During infancy, a baby grows very quickly. The baby’s length typically doubles and her weight triples by her first birthday. Many other important changes also occur during infancy:.


Q: What is the first year of life following birth called?

 Choices:

- baby

- childhood

- toddler

- infancy

A:
infancy
