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Anemia of prematurity (AOP) refers to a form of anemia affecting preterm infants [1] with decreased hematocrit. [2] AOP is a normochromic, normocytic hypoproliferative anemia. The primary mechanism of AOP is a decrease in erythropoietin (EPO), a red blood cell growth factor.
At birth, hemoglobin F accounts for 50-95% of the infant's hemoglobin and at around 6 months after birth, hemoglobin A becomes the predominant type. By the time the baby is one year old, the proportions of different types of hemoglobin are expected to approximate the adult levels, with hemoglobin F reduced to very low levels. [4]
Neonatal mortality refers to death of a live-born baby within the first 28 days of life. Early neonatal mortality refers to the death of a live-born baby within the first seven days of life, while late neonatal mortality refers to death after 7 days until before 28 days. Some definitions of the PNM include only the early neonatal mortality.
World map of infant mortality rates in 2017. Infant mortality is the death of an infant before the infant's first birthday. [1] The occurrence of infant mortality in a population can be described by the infant mortality rate (IMR), which is the number of deaths of infants under one year of age per 1,000 live births. [1]
Anemia is a condition in which blood has a lower-than-normal amount of red blood cells or hemoglobin. [1] Anemia in pregnancy is a decrease in the total red blood cells (RBCs) or hemoglobin in the blood during pregnancy. Anemia is an extremely common condition in pregnancy world-wide, conferring a number of health risks to mother and child. [2]
Neonatal mortality rate: Number of child deaths within the first 28 days of life divided by total number of births. [9] Infant mortality rate: Number of child deaths within the first 12 months of life divided by total number of births. [9] Under 5 mortality rates: Number of child deaths within the 5th birthday divided by total number of births. [9]
Mississippi and Louisiana have the highest levels of low-weight births. Low birth weight is a fatal problem in the U.S. that more than 300,000 babies suffer from annually.
It is characterized by changes in fetal movement, growth, heart rate, and presence of meconium stained fluid. [4] Risk factors for fetal distress/non-reassuring fetal status include anemia, restriction of fetal growth, maternal hypertension or cardiovascular disease, low amniotic fluid or meconium in the amniotic fluid, or a post-term pregnancy.