Know About Certain Things That Causes False Positive Pregnancy Test
- 05 03
Most of the women opt for home pregnancy tests (HPT), because they give quick results. Sometimes the kit tends to show false positive results, and it could be due to various reasons.
Pregnancy test kit human errors:
When you buy a pregnancy kit from the store, you must read the instruction pamphlet that comes along with it carefully. The result of the test is more accurate, when HCG level is high in the urine. False positive pregnancy tests are caused due to the cross reaction of HCG with pituitary gonadottropins.
Most of the home pregnancy tests are accurate, and false positive and false negative issues arise mostly due to human errors. Some of the common errors are:
- The test should be read within 5 or 10 minutes, reading them too late might give you a wrong result
- You must allow the urine to be absorbed inside the test stick or else you might read the evaporation line as a positive result.
- Sometimes interference of infertility drugs may lead to a false result
- If the urine is too dilute, while taking the test then you might get the right result.
If you have any confusion of whether you are pregnant or not, then you can go for a blood test which may provide you with an accurate result.
Issues that contribute to false positive test
The false positive result may occur due to following reasons:
- Instead of urine test, if you check with other fluids such as saliva, blood, and serum then you might have the right result.
- The urine sample gets contaminated when it is mixed with any other things such as creams, detergent, and soap.
- Testing too late or early may produce a wrong result. It is advisable to take the test at least after 6 weeks.
- During the menopause stage some amount of HCG content is present in the urine. Some sensitive pregnancy test kit shows the result as positive.
- While buying the kit it is good to check the expiry date.
If you think that you have made some mistakes while testing, it is better to repeat the test after 2 or 3 days. It is not good to depend purely on home pregnancy test results.
Medical conditions interfere with the test result:
Medication that you intake for infertility treatment or for any other medical condition will give a favorable test. Actually you may not be pregnant and in such case ultrasound scan can help to rule out the false prediction. Once the HPT shows a positive result, it is good to consult the doctor as soon as possible. Certain types of cancer such as ovarian, breast, choriocarcinoma, and testicular interfere with the result.
Trophoblastic is a kind of tumor and it happens when something goes wrong during the fertilization of an egg with the sperm. The egg grows as a tumor and it develops in the reproductive tract. Due to this medical condition the test result might be positive. On an average about 3000 women are affected by this problem in America, every year.
Most of them suggest taking the test at least two times, using different brand kits to get a more accurate result. The next option is to meet the health care provider and take other tests which predict that you are pregnant 100%.
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