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In medical contexts, a newborn or neonate (from Latin, neonatus, newborn) is an infant in the first 28 days after birth; the term applies to premature, full term, and postmature infants. Infants born prior to 37 weeks of gestation are called "premature", [3] those born between 39 and 40 weeks are "full term", those born through 41 weeks are ...
Newborn. Physical development. Infants are usually born weighing between 5 pounds 8 ounces (2,500 g) and 8 pounds 13 ounces (4,000 g), but infants born prematurely often weigh less. Newborns typically lose 7–10% of their birth weight in the first few days, but they usually regain it within two weeks.
A neonatal intensive care unit ( NICU ), also known as an intensive care nursery ( ICN ), is an intensive care unit (ICU) specializing in the care of ill or premature newborn infants. The NICU is divided into several areas, including a critical care area for babies who require close monitoring and intervention, an intermediate care area for ...
Neonatology is a subspecialty of pediatrics that consists of the medical care of newborn infants, especially the ill or premature newborn. It is a hospital -based specialty and is usually practised in neonatal intensive care units (NICUs). The principal patients of neonatologists are newborn infants who are ill or require special medical care ...
Differences between adult and pediatric medicine. The body size differences are paralleled by maturation changes. The smaller body of an infant or neonate is substantially different physiologically from that of an adult. Congenital defects, genetic variance, and developmental issues are of greater concern to pediatricians than they often are to ...
Obstetrics, pediatrics. Large for gestational age ( LGA) is a term used to describe infants that are born with an abnormally high weight, specifically in the 90th percentile or above, compared to other babies of the same developmental age. [1] [2] [3] Macrosomia is a similar term that describes excessive birth weight, but refers to an absolute ...
After the fetus is expelled from the maternal body it is called a neonate. Whether the birth is vaginal or by caesarean section, and whether the neonate is ultimately viable, is irrelevant. The definition of the term "live birth" was created by the World Health Organization in 1950, and is chiefly used for public health and statistical purposes ...
Individual differences in motor ability are common and depend in part on the child's weight and build. Infants with smaller, slimmer, and more mature builds (proportionally) tend to belly crawl and crawl earlier than infants with larger builds. Infants with more motor experience have been shown to belly crawl and crawl sooner.