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Serum is mixed and incubated at body temperature (37°C) with a 5% group O RBC suspension. (This step sensitizes or coats RBC with antibody) The sensitized RBC's are washed with PBS to remove any unbound antibody or interfering substances. The washed, sensitized RBC are then added to the monocyte monolayer tissue culture chamber slide.
The pink hemoglobin-containing supernatant is then mixed with 1 mL of 1% NaOH for each 5 mL of supernatant. The color of the fluid is assessed after 2 minutes. Fetal hemoglobin will stay pink and adult hemoglobin will turn yellow-brown since adult hemoglobin is less stable and will convert to hematin which has a hydroxide ligand. [5]
During pregnancy, the average total iron requirement is about 1200 mg per day for a 55 kg woman. This iron is used for the increase in red cell mass, placental needs and fetal growth. About 40% of women start their pregnancy with low to absent iron stores and up to 90% have iron stores insufficient to meet the increased iron requirements during ...
Signs and symptoms of pregnancy are common, benign conditions that result from the changes to the body that occur during pregnancy. Signs and symptoms of pregnancy typically change as pregnancy progresses, although several symptoms may be present throughout. Depending on severity, common symptoms in pregnancy can develop into complications. [1]
Checking for hemoglobinopathies begins during pregnancy, with a prenatal screening questionnaire which includes, among other things, a consideration of health issues in the child's parents and close relatives. During pregnancy, genetic testing can be done on samples taken of fetal blood, of amniotic fluid, or chorionic villus sampling.
Pernicious anemia is a disease where not enough red blood cells are produced due to a deficiency of vitamin B 12. [5] Those affected often have a gradual onset. [5] The most common initial symptoms are feeling tired and weak. [4]
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Macrocytic anemia is a condition and blood disorder characterized by the presence of predominantly larger-than-normal erythrocytes (red blood cells, or RBCs) accompanied by low numbers of RBC, which often carry an insufficient amount of hemoglobin.