Final answer:
The student's question pertains to the number of infants born after 37 weeks of gestation. Infants at this gestational age are considered full-term and have high viability with a greater chance of survival outside the uterus. They generally weigh around 3.4 kg (7.5 lb) and have organ systems developed enough to function with minimal risk.
Step-by-step explanation:
The student is asking about the number of infants born at greater than 37 weeks of gestation, which covers those considered as full-term newborns. Full-term is defined as a gestation period of 36-40 weeks after fertilization. The fetal growth rate and the length of gestation significantly affects the birth weight and overall health outcome of the newborn. Infants born after 37 weeks have a higher likelihood of having normal birth weights and are more viable compared to pre-term infants. In general, infants that reach full-term have developed enough to survive outside the uterus with a much lower risk of the complications associated with pre-term birth such as respiratory and nervous system issues.
For infants born at or after 37 weeks, the viability of the fetus is very high, with over 90 percent surviving when receiving the necessary medical care, as their organ systems are adequately developed. In contrast, those born at 30 weeks may require intensive medical intervention, such as respiratory support to survive, due to undeveloped organ systems. At a gestation of 37 weeks, the infant typically has gained enough weight, with an average birth weight of around 3.4 kg (7.5 lb), and has reached an adequate length to live without the high risks associated with pre-term birth.