How Do You Read a Quickvue Pregnancy Test?

FAQs Jackson Bowman September 20, 2022


Quidel QuickVueTm One Step Urine hCG Test detects urine hCG. Urine is placed in the sample well on the test cassette. If hCG is present in the sample at levels of 25mIU/mL or greater, a pink to red test line (T) along with a blue procedural control line (C) will appear in the result window .

How do you read a QuickVue hCG Combo test?

To perform the test, a sample of serum or urine is collected and added to the reaction unit. If the sample contains hCG, a pink vertical line will form in the reading result window. This pink vertical line, along with the pre-printed blue horizontal line, forms a plus sign (+) to indicate a positive result.

How accurate are QuickVue pregnancy tests?

Excellent performance. >99% Sensitivity, Specificity, Accuracy. 25 IU/L sensitivity in serum or urine.

How do I read my pregnancy urine test results?

Most tests only take about 5 to 10 minutes to display a result. Typically a colored line or a plus symbol will appear on the test stick to indicate a positive result. The absence of a colored line or a negative sign usually indicates a negative result.

What does T and C mean on a pregnancy test?

Only one color band appears in the upper control region (C). There should be no obvious band in the test region (T). The control line is used to validate the test and should be sharp and clear in intensity against the white background. Positive result: POSSIBLE PREGNANCY.

What does a blue line mean on a Quickvue pregnancy test?

Procedure control. The Quickvue test provides multiple levels of internal procedural controls with each test run. For daily quality control, the results of these controls must be documented for each sample examined. 1. The appearance of a blue procedural control line is an internal positive control.

How soon will a pregnancy test read positive?

You can do most pregnancy tests from the first day of a missed period. If you don’t know when your next period is due, take the test at least 21 days after you last had unprotected sex. Some very sensitive pregnancy tests can even be used before your missed period.

What does faint line on pregnancy test means?

Any positive line, no matter how faint, means your result is pregnant. The levels of hCG in your body will increase as your pregnancy progresses. If you test too early, your hCG levels may still be low and you may see a faint positive line.

What pregnancy test detects the lowest amount of hCG?

One kit, the First Response Early Result Pregnancy Test, has proven to be the most reliable and sensitive test. “It detected hCG at levels as low as 6.5 mIU/mL (thousandths of an international unit per milliliter) – almost sensitive enough to detect any pregnancy shortly after implantation,” wrote CR.

How does pregnancy test show positive?

Pregnancy tests work by responding to the amount of hCG in your urine or blood. In a urine test, a piece of reactive paper detects hCG. This can then show a plus sign, double vertical lines, or even the word “pregnant”. Different tests show this unique way a positive result.

How does negative pregnancy test look like?

Negative Pregnancy Test

For tests with two windows the first window shows the test line and the second window shows a single line that looks like a minus sign (-). This means you are not pregnant. For a digital test, if the test result is negative, “Not Pregnant” or “No” will be displayed to indicate that you are not pregnant.

Why is second line lighter on pregnancy test?

You might get a faint line because of the following: It’s early in your pregnancy. If you take a pregnancy test in the days immediately before or after your missed period, the test will only detect small amounts of hCG, which may appear as a faint line.

What if one line is darker than the other?

When performing a pregnancy test, any line in the test display area is considered a positive pregnancy test, even if it is lighter than the control line. The darker line is usually the control line. Sometimes this second line is so faint that you can hardly see it.

What if C line is darker than T line?

Positive: In short, if the test line (T) on the ovulation test stick is as dark or darker than the control line (C), the test is positive. This means you are in your fertile window and will likely ovulate within 36 hours.

Are toothpaste pregnancy tests reliable?

No, a toothpaste pregnancy test is not accurate nor a reliable way to confirm pregnancy. There is also no evidence that toothpaste can detect the pregnancy hormone in a woman’s urine.

What does positive internal control mean in pregnancy test?

A line appearing in the control region of the test is the positive internal QC. It confirms sufficient sample volume and correct procedural technique. A clear background is the internal negative QC.

What kind of test is Quidel QuickVue?

The QuickVue SARS antigen test detects SARS-CoV-2 antigens directly from anterior nostril swab specimens.

What is pregnancy urine positive control?

The positive control is spiked with hCG in a target range of 200-400 mIU/mL urine matrix. The negative control is prepared from a pool of urine tested negative for hCG.

What does 3 weeks pregnant feel like?

Most women don’t feel anything until their period is late, but you may notice bloating, cramping, or spotting this week. Your breasts may also be more sensitive than usual and you may have an increased sense of smell, one of the earliest signs of pregnancy.



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