How pregnancy test works, and when to use it?

How pregnancy test works, A pregnancy test can determine whether or not a woman is expecting. The test can be performed at home or at a physician’s office. A pregnancy test has a 99 percent accuracy rate, It operates by determining the amount of a hormone called human chorionic gonadotropin in the body (HCG). Around 10 to 14 days after pregnancy, HCG can be detected in the blood and urine, It’s a good idea to take a pregnancy test if a woman misses her period or has other symptoms that she could be pregnant, If a woman is pregnant, she should find out as soon as possible since she will need to check her health more closely and maybe make certain lifestyle adjustments.

Related: Homemade pregnancy test with shampoo

faint negative line on pregnancy test

faint negative line on pregnancy test

How pregnancy test works

The quantity of HCG hormone in a pregnancy test is measured. During pregnancy, HCG levels rise.

Because it is generated by the cells that create the placenta and supply food to the growing fetus, 

HCG is known as the pregnancy hormone.

When a fertilized egg attaches itself to the uterine lining, it is discharged.

Around 10 to 14 days after pregnancy, HCG can be detected in the blood and urine. 

It reaches its climax between 8 and 11 weeks of pregnancy.

A level of less than 5 mIU/ml indicates a negative HCG result (milli-international units per milliliter).

HCG levels greater than or equal to 25 mIU/ml are considered positive for pregnancy.

Related: False negative pregnancy test

At-home urine testing

The urine is placed on a chemical strip in a home test. 

The result is ready in 1 to 2 minutes, however, the time varies depending on the brand of test.

The person collects urine in a container and either dips the pregnancy test stick into it, 

Or drops the sample onto the test strip using an eyedropper.

A pregnancy stick can also be inserted into the urine stream.

Because each brand of testing has its unique method of delivering data,

It’s critical to read the package insert to learn how to interpret the results.

The result may take the form of a change in color, a change in a marked line, or the display of a symbol, 

Such as a plus or minus, or a response in a test window, 

Or such as the words “pregnant” or “not pregnant” depending on the test.

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Related: Weak positive pregnancy test

extremely faint line on first response pregnancy test

extremely faint line on first response pregnancy test

Blood pregnancy testing 

A quantitative and qualitative HCG test are two approaches to screen for pregnancy using blood.

A quantitative blood test determines how much HCG is present in the blood.

A qualitative test determines whether or not HCG is present.

There are certain advantages to blood testing.

It is capable of detecting early pregnancy and measuring HCG levels.

It is, however, more costly, takes longer to get results, and must be done in a medical office.

Related: Pregnancy test with salt

When to take it?

A home urine test can be taken as soon as 14 days after suspected conception, 

But waiting until a missed period will provide a more trustworthy result.

Some market testing can be completed early. This is dependent on their sensitivity.

It’s crucial to read the box insert to figure out what the best and earliest times are to take the exam.

The optimum time to take a urine pregnancy test is right after you wake up in the morning.

This is because even if the lady is pregnant, 

Drinking a lot of liquids before taking the test might result in a false negative.

Related: When to take pregnancy test

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In the end, we can say that the above lines included all details about how pregnancy test works, and how to use them.


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