What results can come from a pregnancy test?

A pregnancy test can tell whether you are pregnant by checking for a particular hormone in your urine or blood. The hormone is called human chorionic gonadotropin (HCG). HCG is made in a woman’s placenta after a fertilized egg implants in the uterus. It is normally made only during pregnancy. 3 дек. 2020 г. A pregnancy test works by detecting the hCG hormone, which is usually only present in your body if you’re pregnant. A positive result—even a faint line —on a pregnancy test means you’re almost certainly pregnant. During your pregnancy you’ll be offered a blood test to: look at the red cells, white cells and platelets in your blood find out your blood group (A, B, O or AB)



What does a positive pregnancy test result look like?

A positive pregnancy test result will typically either show up as a plus sign, two double lines, or one line in a results circle or window, though there are other kinds of test results, including the digital ones that show the word “yes” or “pregnant” when they’re positive.

Are faint lines on a pregnancy test positive?

Sometimes it’s easy to say whether the pregnancy test is positive or not, but sometimes this other line can be very faint. If you see a positive line , even if it’s faint, the simple answer is: Yes, you are almost certainly pregnant.

At what week does a pregnancy test show positive?

You should wait to take a pregnancy test until the week after your missed period for the most accurate result. If you don’t want to wait until you’ve missed your period, you should wait at least one to two weeks after you had sex. If you are pregnant, your body needs time to develop detectable levels of HCG.

How likely is false-negative pregnancy test?

Home pregnancy tests are usually accurate, but researchers estimate that up to 5% of tests give a false negative — meaning the test says you aren’t pregnant when you actually are. There are a few reasons why you might get a false negative. You might be taking the test too early or after drinking too much water.

Why do pregnancy tests take so long to show up?

“With the old tests, you needed a higher amount of HCG in the urine,” she says. In other words, years ago, a pregnancy test might not show as positive until after you miss your period, but now (as you’ve likely seen in many pregnancy test commercials) you can get a positive result a few days before you even miss your period.

How do you know if a pregnancy test is positive?

Since each test is different, make sure you follow the instructions, but most pregnancy tests give you a positive result with the following: Two lines. Most tests will have a control line – this just lets you know the test has worked – which shows up as you’re waiting for the results and if you’re not pregnant, you will only see this line.

What does a blood test for pregnancy look for?

Your initial blood screen typically looks for the following: Your hCG levels, a hormone produced by the fetus that shows up in your bloodstream and urine (it was responsible for that positive home pregnancy test). A blood test for hCG can detect pregnancy with virtually 100 percent accuracy as early as one week after conception.

Can a pregnancy test be wrong or false positive?

Because hCG is usually only present in your body when you’re pregnant, false positive results are incredibly rare. If you use a reliable pregnancy test, like Clearblue, you can be over 99% certain you’re pregnant if you see a positive result. However, sometimes reading and understanding the result of a pregnancy test can be a little confusing.

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