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Pregnancy Tests: How They Work, Types & Accuracy

A pregnancy test is performed in case of suspicion of pregnancy and gives results with high accuracy in a short time. While the accuracy rate of the blood pregnancy test in the hospital is 100%, the accuracy rate is 99% in the home urine tests when the instructions are followed. However, there is a margin of error in both tests. It is straightforward to use and know the results in a few minutes. Results are displayed with symbols such as color difference, number of lines, plus-minus, and the words pregnant versus not pregnant. For example, a single line in dashed indicators means not pregnant (negative), and a double line means pregnant (positive). If you are in doubt about the test with an expectation of pregnancy, you can do it a second time to confirm the result.

How to Do a Pregnancy Test at home? Are There Different Types?

Although home pregnancy tests work the same way, their characteristics may differ. However, remember that a home pregnancy test will be more accurate as of the date of your expected period approaches. There are a few main types of pregnancy tests to consider:

Non-digital pregnancy testsThese pregnancy tests display your results in the form of blue or pink lines. Although they tend to be cheaper, they can sometimes be confusing to read (e.g., if one of the lines is faint). If this happens, wait a day or two before repeating the test.

Digital pregnancy tests: Can’t you figure out if there’s a second pink line on that stick? Digital tests tend to be the easiest to use and read, as they display your results in words (e.g., pregnant or not pregnant), leaving little room for error. The disadvantage? Digital tests tend to be more expensive.

Stick vs strips: Some pregnancy tests are packaged as sticks that you can pee directly on, saving you the hassle of peeing into a cup, dipping the test into that cup, and then cleaning it (although, if you prefer that method, many stick tests do, too can work). Right this way). On the other hand, strips usually need to be dipped in a cup of urine. A less common third type is to use a dropper to draw urine from a cup and then drip it into the test reservoir.

For most tests, you need to insert a swab at the end of your urethra or dip the swab into a urine collection container for 5 to 10 seconds. After a few minutes, the stick will show the test results. Often these results appear on the bar or the bar’s screen, with symbols such as a minus or plus sign, a dash or two lines, a color change, the words “pregnant” or “not pregnant”. Note that usage methods may vary from test to test. Before performing the test, carefully read the necessary information.

You can use three different methods when taking a home pregnancy test:

1.) Collecting the urine in a container and immersing the test stick in the liquid

2.) dripping a small amount of urine collected in a container onto the instrument panel with a dropper

3.) Catching the urine in the midstream by holding a stick close to the urine stream.

Also read: How to know your Ovulation time?

How Consistent is Home Pregnancy Testing?

Most pregnancy tests claim to be 99% accurate on the first day of your missed period. However, according to studies, some pregnancy test results are not available so early; according to the instructions, you have to test one week after your period is missed.

What is the Best Pregnancy Test for You? 

Before you buy, consider these points when purchasing home pregnancy tests. 

How sensitive is the home pregnancy test? 

Some tests claim to detect lower hCG levels and can tell you if you’re pregnant up to six days before your missed period. 

How easy is the pregnancy test to use and read? 

Digital tests that display results in words are generally more user-friendly than one- or two-line tests. 

How much does the pregnancy test cost? 

Home tests can vary in price. You’re likely to pay more for a digital test or one that claims to be more sensitive. 

What is the expiry date? 

Always check if a pregnancy test has passed its expiry date. Otherwise, your results may not be correct.

Can Drugs Affect Test Results?

Medicines containing hCG can affect the results. However, many medications, including antibiotics and birth control pills, do not affect the accuracy of a pregnancy test.

Is There a Possibility that the Positive Result is Wrong?

Although rare, there is a risk that a positive result will be false. This situation is called a false positive. A false-positive result can occur if your fertilized egg miscarries soon after it implants in the uterine tubes or if you take a home pregnancy test too soon after taking a fertility-enhancing drug-containing HCG. Ectopic pregnancy or menopause can also confuse test results.

Is There a Possibility that the Negative Result is Wrong?

Tests can come back negative even though you’re pregnant. This situation, which is more common than a false positive, is called a false negative.

To minimize false-negative results, you should consider the following:

1.) The best time is morning!

To get the most accurate test results, you should do the test as soon as you wake up without drinking too much water. Remember that excess water dilutes your urine.

2.) Control your excitement!

The best way to read the instructions correctly before taking the test is to set aside tension and excitement. Take a deep breath and try to stay calm. So, you can concentrate on the instructions and read more accurately what you need to do.

3.) Keep your watch close!

To see the test result correctly, you should pay attention to the recommended time. Before you start the test, be sure to write down the time.

Why is an Ultrasound Examination Necessary?

A positive pregnancy test result indicates that you are pregnant. However, whether the pregnancy is a normal pregnancy or an abnormal pregnancy that develops in the uterus is defined by ultrasound examination. Therefore, if your pregnancy test is positive, you should not neglect the ultrasound examination. You can protect your health with medical check-ups against negative situations like ectopic pregnancy. Regular doctor check-ups are vital for the health of both you and your baby.

Related articles that you might want to read:

  • Top Secrets about Cesarean, that no one will tell you.
  • First trimester symptoms that are completely normal


This post first appeared on Helping Your Children Cope With COVID-19 Pandemic Stress, please read the originial post: here

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Pregnancy Tests: How They Work, Types & Accuracy

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