Expired pregnancy test false positive

6 Things That Can Cause a False-Positive Pregnancy Test

expired pregnancy test false positive

Can you resuse a pregnancy test? Let's find out!

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As you excitedly tear open the packaging, you notice a date on the side of the box. Is your pregnancy test expired? Home pregnancy tests are up to 99 percent accurate when used correctly. But there are some things that can throw off your results — and that little date stamp on the packaging is one of them. To understand why, it helps to know a little bit about how they work. Pregnancy tests work by measuring levels of the pregnancy hormone human chorionic gonadotropin hCG. As a result, the pregnancy test is more likely to give you an inaccurate reading.

Taking a pregnancy test can be an extremely exciting moment for any expectant mother. But it can also be a time where we're pretty unsure. A lot is riding on the results of these tests. What kind of changes are about to happen in our lives? Is a child really on the way? Imagine a mother who has been trying to conceive for years. Imagine how hard she's wishing for a positive result.

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At-home pregnancy tests are pretty damn accurate. If you get a positive result you can almost certainly assume you are pregnant, at which point you should visit your GP to confirm the news, and then you can spend the next nine or so months cooking your human child. But on some rare, and we mean very rare occasions, your test might display a false result. This could either be in the form of a 'false positive' - a test that says you're pregnant when you don't actually have a viable pregnancy, or it could be in the form of a 'false negative' - a negative result when you are, in fact, pregnant. Heat or moisture can cause damage to the test window on a pregnancy test and this can also result in inaccurate results. If you want to buy a pregnancy test, go to the pharmacy so you can guarantee it's within date.

These days it is quite easy to ascertain a pregnancy without having to go to the doctor and sit through a barrage of invasive procedures. Home pregnancy tests have made the process both private and easy. They work on the principle of hormone quantification: the test strips come laced with a certain molecule which can detect the presence of human chorionic gonadotropin or hCG in the urine. As the levels of this hormone increase above a certain threshold, it can be detected using one of these tests. However, while these tests are user-friendly, they can have some problems. For instance, one of the most common issues with pregnancy tests is their expiration date. This article will help you understand all about expired pregnancy tests, their accuracy and answers some important questions you may have.

Expired Pregnancy Tests – Do They Really Work?

A false-positive pregnancy test can be devastating—especially for women who have difficulty conceiving or who are actively trying to get pregnant. Thankfully, false-positive pregnancy tests are rare, but they can happen. Here are some of the most common causes of a false-positive pregnancy test.


You took an at-home pregnancy test , and it said you're not pregnant. But what are the chances you got a false negative pregnancy test result? You've probably heard "I didn't know I was pregnant" stories that went something like this: A woman claims she took an at-home pregnancy test that came back negative, but, lo and behold, she really was pregnant -- and the pregnancy progressed without her knowledge. It's a scary thought, but you shouldn't worry about it happening to you. False negative pregnancy tests don't really happen, as long as you're taking the test correctly. But there are some reasons why you could get a negative reading when you're actually pregnant -- so this is what to avoid:. Even if you're champing at the bit to know whether or not you're expecting, wait until you've missed your period to take the test.






Five reasons for false-positive pregnancy tests




4 thoughts on “Expired pregnancy test false positive

  1. On the flip side, getting a false pregnancy positive pregnancy test when . When a test is past its expiration date, the chemical that detects hCG.

  2. Here's what you should know about pregnancy test expiration dates negatives are more likely, but it's also possible to get a false positive.

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