Does One Positive Test Over Ride 3 Negative Tests?

Question

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Answer 1

Yes. You can get false negatives but not false postives! If you had a positive followed by negatives get to your doc asap as it could be a sign of an ectopic which is serious, if it was the other way round you may have tested to early the first few times. Go to your doc to reassure yourself

Answer 2

If the positive test was taken after the negative tests, most likely, yes. You may now be at a point where your hormone levels are registering you as "pregnant." Since the tests are cheap, I would go and get one more three-pack to be sure. Then, if it's still positive, head to the doctor.

Good luck.

Answer 3

No it´s more likely to get a false negative than a false positive....

False negative pregnancy tests and what causes them

If you take a home pregnancy test too early, you may get a false negative result. A false negative result is when the test says you are not pregnant but you are. This can be misleading and when using home pregnancy tests you must be very careful of avoiding any factors that may cause false results.

There could be various reasons for a false negative test.

Early Detection Attempt
One reason for a false negative pregnancy test could be that you took the test too early. Pregnancy tests vary in their sensitivity which means how soon they can detect the hormone Human Chorionic Gonadotropin (hCG) in your urine. It is possible that although your ovum might be fertilized, meaning you may be pregnant, but your body has not started secreting enough Human Chorionic Gonadotropin (hCG) for the test to measure. Your body needs time for the hormone to rise to a high enough level to be detected in a test.

Erratic Technique
There is a possibility that while using the home pregnancy test strip you either did not dip it well or did not hold it well in your urine stream. This error in technique may give false negative results.

Missed Reaction Time
For accuracy in home pregnancy tests it is essential that you read the test results in the stipulated reaction time. If you let the test sit for too long (after the instructions on the box tell you), the test is invalid. This may cause it to show false negative results.

If the home pregnancy test shows negative results but you still think you could be pregnant, wait a few days and try again. A negative result can mean that you are not pregnant, you took the test too early or you took the test wrong. Also, if you have received different answers on multiple pregnancy tests, it is recommended that you get a blood test done to get an accurate answer.



False Positive Pregnancy Test Results and What Causes Them
A false positive pregnancy test is when the test says that you are pregnant but actually you are not. This is a one off case and a positive pregnancy test is a pretty good indication that you are pregnant. False positive pregnancy tests are rare - though there are instances and conditions where they can occur.

There could be various reasons for a false positive test.

Chemical Pregnancy
A chemical pregnancy is basically an early miscarriage. Research has shown that half of all first pregnancies end in miscarriage. Due to the high sensitivity of home pregnancy tests, many women catch early pregnancies but end up going on to have their periods due to a chemical pregnancy.

Missed Reaction Time
For accuracy in home pregnancy tests it is essential that you read the test results in the stipulated reaction time. If you let the test sit for too long (after the instructions on the box tell you), the test is invalid. This may cause it to show false positive results.

Chemical Interference
Drugs that have the pregnancy hormone Human Chorionic Gonadotropin (hCG) in them can cause incorrect results in home pregnancy tests. The Human Chorionic Gonadotropin (hCG) in them may be responsible for the false positive pregnancy test. If you have had an HCG shot due to infertilty treatments, you need to be sure the shot is out of your system before you attempt to use early pregnancy tests.

Evaporation Lines
While technically not a true pregnancy, some pregnancy tests leave a faint evaporation line as the urine crosses the test. This faint very light grey evaporation line in the test area is often interpretted as a positive result.

AimStick pregnancy test strips have a very good reputation of NOT leaving evaporation lines and are much less expensive than brands you can buy in your local supermarket or drug store.

If you are not sure about your home pregnancy results it is recommended that you try again after a couple of days. If doubts regarding the results still persist, you must see a doctor for a pregnancy blood test. A blood test administered by your doctor is more sensitive than the early home tests and can be taken between seven and twelve days after you conceive.

Answer 4

most likely, yes! Usually you don't get results right away which probably why you recieved negatives. Following two weeks or more after conception, tests are more accurate which is probably why you got positive. However, if you recieved negative or negatives after the positive, then something is wrong with your kit and you can either retry testings or go get a profestional testing which is highly accurate.

Answer 5

It depends on the order of the results. If you had 3 negative, then a positive, then yes, you're positive.
If you had a positive, then 3 negatives, you could have miscarried and showed a positive from the human chorionic gonadotropin (the hormone that stops you from ovulating).

Answer 6

Go to your doctors and get a clinical pregnancy test. That will let you know,and if you want it to be more accurate ask for a blood test. Good luck!

Answer 7

Yes, if the positive was the last test administered.

Answer 8

Yes. u can have 20 tests saying that u not pregnant, but 21 will say that u r...... then u definitely pregnant.

Answer 9

yes. why would there be a second line? because it picked up the hcg hormone. which you only have when your pregnant.

Answer 10

no such thing as a false postive