I was first told that my aorta is slightly dilated at 4.0 cm. There is some variation in the way the term aneurysm is used. For the thoracic aorta, most agree that at a diameter of 4.0 cm it has reached a size that is considered an aneurysm. The word dilated refers to the enlargement of the aorta.
Called also neonate and newborn. premature infant (preterm infant) one born before a gestational age of 37 completed weeks (259 days). The duration of gestation is measured from the first day of the last menstrual period and is expressed in completed days or weeks.
Most data collectors considers the first 28 days after birth as the newborn period. It is more an artificial label than a real period. Some would label the infancy period as being from birth to the point of walking. Most data collectors considers the first 28 days after birth as the newborn period. It is more an artificial label than a real period. Some would label the infancy period as being from birth to the point of walking. In brief: Wording issue. Most data collectors considers the first 28 days after birth as the newborn period.