Pregnancy Antibody Screen Negative

## Pregnancy Antibody Screen Negative

Pregnancy Antibody Screen Negative is a test that confirms whether or not a person is pregnant. This test, ordered by a physician, looks for specific proteins in the blood that will reveal if the person has recently been pregnant.

### What is Pregnancy Antibody Screening

Pregnancy Antibody Screening (or PASS) is a test that can give information about a person’s recent pregnancy. The test looks for certain antibodies, which are produced by the body in response to pregnancy, in a sample of the patient’s blood.

### Why is PASS Important

PASS is important for confirming recent pregnancies and to help detect any issues that may have arisen during the pregnancy. Some of the risks that may be detected by PASS include gestational diabetes, pre-eclampsia, or Rh sensitization.

### What is a Negative PASS Result

A negative PASS result means that the patient did not have an elevated level of the antibodies associated with pregnancy in their blood sample. This indicates that the patient has not recently been pregnant.

It is important to note, however, that if the patient has recently been pregnant, a negative PASS result may not accurately reflect their condition. This could be due to a variety of factors such as testing too soon after pregnancy, a miscalculation in the gestational age of the pregnancy, or changes in the infant’s blood type. It is recommended that any patient with a negative PASS result who may believe they are still pregnant should discuss their situation with their physician.

### Advantages of PASS

PASS has several advantages, including being:

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* Non-invasive
* Cost-effective
* Quick and convenient
* Accurate and reliable

### Summary

Pregnancy Antibody Screen (PASS) is an important test for confirming recent pregnancies and is a quick, cost-effective, and accurate way of doing so. A negative PASS result indicates that the patient has not recently been pregnant, although this result may not always be accurate depending on the patient’s individual situation. Patients with a negative PASS result who think they may still be pregnant should discuss their situation with their physician.

What does a negative result on a pregnancy antibody screen mean?

A negative result on a pregnancy antibody screen means that the person tested does not have any antibodies associated with a current pregnancy. This typically indicates that the person is not pregnant and does not have had a recent miscarriage.

What are the possible causes of a false-negative result on a pregnancy antibody screen?

1. The test was taken too early – Home pregnancy tests typically can detect hCG levels in the urine about 10 days after conception. A pregnancy test from a healthcare provider may detect hCG levels earlier, usually about two to three weeks after conception.

2. Insufficient hCG levels – If hCG levels are too low, the test may not be able to detect them, leading to a false-negative result.

3. Inaccurate test – Home pregnancy tests are not always reliable. There is a chance that the test could be expired or damaged, leading to inaccurate results.



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4. Improper testing technique – If the test was not followed as instructed it can lead to a false result. Improper testing technique can include not keeping the test in a horizontal position or testing too early or at the wrong time.



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