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Do pregnant women need to fast for anemia tests
Pregnant women do not need to fast for anemia tests.
Pregnant women are through the blood test to determine whether the anemia, it is mainly for the blood of red blood cells, white blood cells, hemoglobin and platelet count and other cell count and morphology of the test, it is the results of the test whether the accuracy of the results with the eating is not related to, so don't fasting for the test.
Blood test judgment criteria: serum ferritin less than 12 micrograms / liter or hemoglobin less than 110 grams / liter, can be diagnosed as anemia in pregnant women.
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Pregnant women's anemia test precautions
1, wear loose clothes
Pregnant women's test day is best to wear loose sleeves of clothing, easy to venous phlebotomy when the sleeve, clothing should be clean, in order to prevent infection of the needle hole.
2, pressure after blood collection
The forearm should be straightened after blood collection, and the hemostatic cotton ball should be pressed firmly with the other hand for at least 5 minutes. Do not bend the elbow to stop bleeding, and do not twist the cotton ball to avoid subcutaneous bruising. If there is bruising around the eye of the needle, apply warm compresses after 24 hours. To avoid infection, do not let the needle hole get wet for 24 hours.
3, eat a light diet
Pregnant women the day before the anemia test, the diet should pay attention to light, do not overeat, eat less spicy and stimulating food, prohibit the consumption of alcohol.
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What are the items in the anemia test for pregnant women
Checking whether a pregnant woman is anemic is enough with a routine blood test, but if you need to determine the type of anemia you will need further tests.
1, trace element test
If the mother-to-be wants to know exactly how much iron is in her body, she needs to do a trace element test, which can confirm the amount of microelements in her body.
The method of trace element examination: hair or blood. Because hair and trace elements have a special affinity, hair can reflect the human body for a period of time or one or two months of trace element levels, while the blood can only reflect the human body instantly or one or two days of trace element levels, so the hair test is more accurate than the blood test.
2. Peripheral blood and bone marrow analysis
If a pregnant woman wants to confirm whether she has thalassemia or not, she can also do a peripheral blood and bone marrow analysis. If the results of peripheral blood analysis show that the average cell volume >94fl, the average hemoglobin of red blood cells >32pg, neutrophils lobulated too much, reticulocytes are normal. Combined with the results of the bone marrow image analysis, relatively large red blood cell volume, nuclear chromatin sparing as well as bone marrow blood film showed megaloblastic erythrocytosis, the diagnosis is basically confirmed.
3, anemia test
If a pregnant woman wants to determine the type of anemia, she should do the blood count, reticulocyte count, and fecal occult blood test. These three tests are used to determine the type of anemia by checking the serum ferritin concentration, folic acid, and vitamin B12 levels in the blood.
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Healthy tips
The anemia test for pregnant women doesn't require a fasting test, but if a pregnant woman wants to check other items, such as liver function, blood glucose, blood lipids, and blood pressure, then she must fast, so as not to affect the accuracy of the results. The results will not affect the accuracy of the results.