During infancy, keeping infants close to their caregivers can cause strong social attachment to serve as a powerful survival impulse.
Infants or babies are the very young offspring of humans. Infant is the formal or technical synonym for the general term baby. The term can also be used to refer to juveniles of other organisms. A neonate is colloquially an infant in the first few hours, days, or up to one month of age.
In the medical context, a neonate is an infant within the first 28 days of life. The term applies to preterm, term, and postpartum infants. An offspring before birth is called a fetus. The term "infant" is usually used for very young children under the age of one. However, definitions may vary and include children up to 2 years of age.
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