Search results
Results from the WOW.Com Content Network
Preterm infants are often anemic and typically experience heavy blood losses from frequent laboratory testing in the first few weeks of life. [4] Although their anemia is multifactorial, repeated blood sampling and reduced erythropoiesis with extremely low serum levels of erythropoietin (EPO) are major causative factors.
A small fetomaternal hemorrhage could cause an increase in maternal antigens, while a large fetomaternal hemorrhage could cause fetal anemia and death. [21] [22] Fetal bradycardia, low heart rate, is another complication that may occur. [23] Most cases of fetal bradycardia are self-resolved within five minutes. [9]
[12] Hypothyroidism and chronic kidney disease [13] [14] Parasitic infestations: some examples are hookworm or Plasmodium species [7] Bacterial or viral infections. Iron deficiency is the most common cause of anemia in the pregnant woman. During pregnancy, the average total iron requirement is about 1200 mg per day for a 55 kg woman.
Unlike hemolytic disease of the fetus and newborn, NAIT occurs during the first pregnancy in up to 50% of cases, [1] and the affected fetuses may develop severe thrombocytopenia (<50,000 μL −1) very early during pregnancy (as early as 20 weeks gestation, consistent with the development of platelet antigens, [1] and the majority of the time ...
Anemia (also spelled anaemia in British English) is a blood disorder in which the blood has a reduced ability to carry oxygen.This can be due to a lower than normal number of red blood cells, a reduction in the amount of hemoglobin available for oxygen transport, or abnormalities in hemoglobin that impair its function.
Mothers who are negative for the Kell 1 antigen develop antibodies after being exposed to red blood cells that are positive for Kell 1.Over half of the cases of hemolytic disease of the newborn owing the anti-Kell antibodies are caused by multiple blood transfusions, with the remainder due to a previous pregnancy with a Kell 1 positive baby.
Individuals with TEC have a median age of presentation of 18–26 months; however, the disorder may occur in infants younger than 6 months and in children as old as age 10 years. Because of the gradual onset of the anemia, children are often healthier than expected from their low hemoglobin levels.
Birth defects: Birth defects may occur if the fetus has problems with the development of the kidneys or urinary tract, which could cause little urine production, and it can lead to low levels of amniotic fluid. Maternal complications: Maternal complications may cause low amniotic fluid.