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Doctor insights on: Antibody Screen

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What is an antibody screen look for when you are pregnant?

What is an antibody screen look for when you are pregnant?

Blood cell antibody: If your blood type is a negative, that means your red blood cells lack the rh antigen (protein), if you are exposed to rh positive cells in a blood transfusion or in pregnancy, the rh antigen is foreign to you and your cells attack it with antibodies. The screen looks for these and other antibodies that could be harmful to a developing fetus. ...Read more

Dr. Arthur Balin
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Screening (Definition)

Examples are: colonoscopy for colon polyp or cancer; mammograms for breast lesions or cancer; psa a blood test that could indicate enlargement of cancerous prostate tissue; blood sugar or hemoglobin a!c for diabetes. Many think that scanning the whole body will pick up a cancer--in all likelihood, it will not. There also is no good blood test, yet, ...Read more


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If a pregnant woman has the antibody screen test positive at 1:16 what does this tell us?

If a pregnant woman has the antibody screen test positive at 1:16 what does this tell us?

Definitely elevated: If your blood type is a negative, that means your red blood cells lack the rh antigen (protein), if you are exposed to rh positive cells in a blood transfusion or in pregnancy, the rh antigen is foreign to you and your cells attack it with antibodies. The screen looks for these and other antibodies that could be harmful to a developing fetus. A 1:16 level is high enough to cause problems. ...Read more

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I just had an HIV 1/2 eia antibody screen w/ reflexes. Can you explain how this test works? Are there any better tests?

I just had an HIV 1/2 eia antibody screen w/ reflexes. Can you explain how this test works? Are there any better tests?

Viral Testing: To test for many infections we look for antibodies (your body's reaction to something new or foreign). In the case of HIV infection these antibodies can take three to six months to be positive on a test. This old fashioned test is a reliable and common screening tool. But, it is not the best test if one is possibly exposed. We now send HIV genetic tests which can be positive by day 21 post expos. ...Read more

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Recently i took a HIV DNA PCR test and results were detected and reference range not detected, my HIV antibody screen test came back neg I am worried?

Recently i took a HIV DNA PCR test and results were detected and reference range not detected, my HIV antibody screen test came back neg I am worried?

Recent exposure?: Follow up testing is required. Pcr tests have a false positive rate of 3-10%. If you had a recent exposure, it is possible that repeat testing will show antibody to become positive and there is a true HIV infection. If it does not, it is likely a false positive. ...Read more

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27wkspreg Rh negPositive antibody screen today was neg a month ago had a prev ectopic and chem but had shot after What does this mean for this preg?

27wkspreg Rh negPositive antibody screen today was neg a month ago had a prev ectopic and chem but had shot after What does this mean for this preg?

Rh factors: If your "shot" after your ectopic pregnancy was Rh immune globulin , which in Rh negative women is protective against problems from Rh disease in future pregnancies, the chance of a problem with this pregnancy is minimal. If you have had other pregnancies prior to your ectopic without Rh immune globulin given, continued testing is appropriate. ...Read more

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I'm Oneg, what "should" my antibody screen show?

I'm Oneg, what "should" my antibody screen show?

Blood type: There is no such thing as "should" in clinical laboratory medicine. "It is what it is." If you forward-type as O-, we expect you have antibodies against red cells bearing A-antigen and against red cells bearing B-antigen. If you're sensitized to D (the main Rh factor), you have anti-D. However, all these are subject to other factors. Your physician &/or the lab pathologist can explain anomalies. ...Read more

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What risks do me and my baby go through when antibody screen is positive?

What risks do me and my baby go through when antibody screen is positive?

I assume Rh?: If you are rh negative and your partner is rh positive then you are trying to make antibodies against your baby. This is somewhat dose dependent so if you had a prior child, abortion, or miscarrige you are sensitized. Normally, after delivery, get medication to kill any rh positive cells in your body. So the major risk is if you had a prior pregnancy and did not get the medication. ...Read more

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What is the definition or description of: antibody screen (anti rh)?

Simple blood test: Antibody screening during pregnancy is essential to identify blood group and antigen incompatibilities that might be exist between a mother and her developing child. The screen involves determining the mothers blood group type: a, b, ab, o and rh status (pos and neg). About 10 percent of caucasian women (much lower in non-caucasian ethnicities) are rh negative entering pregnancy. ...Read more

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Are there any antibody screen for early cancer detection?

Are there any antibody screen for early cancer detection?

No: There are no reliable markers for early detection of cancer in general or specific cancers. ...Read more

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27wkspreg Rh negPositive antibody screen today was neg a month ago had a prev ectopic and chem but had shot after What does this mean for this preg?

Rh factors: If your "shot" after your ectopic pregnancy was Rh immune globulin , which in Rh negative women is protective against problems from Rh disease in future pregnancies, the chance of a problem with this pregnancy is minimal. If you have had other pregnancies prior to your ectopic without Rh immune globulin given, continued testing is appropriate. ...Read more

Antibody (Definition)

An antibody is a protein the body's immune system makes to identify potentially harmful substances in the body. Antibodies attach to the substance on a molecular level and mark it so the immune ...Read more