A kind of person · also called infant
2 views, from the comparison photos it’s in.
About
A human baby is a very young child measuring about 20 inches tall and weighing roughly 16.5 pounds.
Infants grow rapidly during their first year, often tripling their birth weight by twelve months. Newborns generally enter the world weighing between 5.5 and 10 pounds (2.5 to 4.5 kg), with boys averaging slightly heavier and longer than girls. A baby's head also makes up about a quarter of its total body length, which is a much larger proportion than in adults.
From Wikipedia
An infant is a very young human being. Baby is an alternative term for infant.
Read more on Wikipedia →Text from Wikipedia’s “Infant” article, CC BY-SA 4.0.
2 on the site
Weight
16.5 lb (7.5 kg)
Quick answer
A baby at this stage is about 20 inches (0.5 m) tall, 12 inches (0.3 m) long, and weighs 16.5 pounds (7.5 kg). That weight is roughly equivalent to holding two full gallons of milk.
Typical figures, the same ones every comparison on the site uses; real ones vary.
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