A false-positive might happen if you had a pregnancy loss soon after the fertilized egg attached to your uterine lining (biochemical pregnancy) or you take a pregnancy test too soon after taking a fertility drug that contains HCG . madeformums.comИзображение:madeformums.comOne of the most common reasons at-home urine tests return false positives is that they were not done properly, usually because the instructions were misunderstood. It is important to read the manufacturer’s instructions carefully before taking a pregnancy test. Every test measures different levels of hCG.
What can cause a false result on a pregnancy test?
7 Reasons Your Pregnancy Test Gave A False-PositiveYou Had A Miscarriage or Abortion Recently. … Some Medications Can Trigger False-Positives. … Medical Conditions Are Sometimes to Blame. … Confusing Evaporation Lines. … User Error. … An Ectopic Pregnancy. … A Chemical Pregnancy.7 Reasons Your Pregnancy Test Gave A False-Positive
How common are false pregnancy test results?
The good news for prospective testers is that the chances of a false positive pregnancy test are very low. So just how common are false positive pregnancy tests then? “False positive pregnancy tests are rare and occur less than 1 percent of the time,” confirms DuMontier.
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.
Why are my pregnancy test results coming back different?
There are a few reasons why this can happen. The instructions on most pregnancy tests will advise you to read the results within a certain window of time. This usually ranges between a couple of minutes up until 10 minutes later. If you see a positive result beyond this time frame, you may be left second-guessing the results.
What causes a false-positive urine pregnancy test?
A person taking a home urine pregnancy test very soon after an abortion or miscarriage can be another reason for a false-positive result. Once a fertilized egg implants into the uterine wall, the body secretes hCG. Typically, hCG may start to decline as soon as 5 days after a medical abortion but may remain at a readable level for longer.
Why did my hCG test come back positive?
You’ve been taking fertility medications that contain hCG. You have a very rare medical condition, like ovarian cysts, that produce hCG and turn your result positive. Do I need to confirm my pregnancy test?