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Yes, it can depend on whether your urine was diluted from drinking a lot of fluids or which type of test you take. The more expensive ones can detect early pregnancy. Here is some info on why there is a difference in the tests. Check with the manufacturer on their sensitivity levels.
The sensitivity of a pregnancy test determines how soon after conception pregnancy can be detected by the diagnostic kit. Concentrations of hCG are reported in milliInternational Units (mIU) or amounts equal to 1/1000th of an IU per milliliter. Pregnancy tests with a sensitivity of 20 mIU/ml are more sensitive than tests with 50 to 100 mIU/ml. With 20 - 25 mIU/ml tests, high sensitivity equates to early detection of pregnancy. That means you can begin testing accurately as early as eight days after conception. Conception may take place several days after date of intercourse, so the date of intercourse should not be viewed as the necessary day of conception.
What else can I help you with?
Can a positive pregnancy test turn negative?
No , but a negative test can be a false positive .
Can you have a positive pregnancy test then a negative pregnancy test and light period and still be pregnant?
Yes
Negative pregnancy test but urinated on it again and it went positive?
This happened to me when I got pregnant with my third child. The first test was negative and the second positive. From what I understand, a pregnancy test can give a false negative but rarely gives a false positive.
Can your test come out positive then negative?
If it's a pregnancy test the answer is no, A test can come back negative even though its positive. But if it's positive, it's positive 99% of the time.
What colour does a pregnancy test go when positive?
Pink- Positive Blue-Negative
Can you have a negative pregnancy test and then have a miscarriage after?
No, if you're having a miscarriage, the pregnancy test will still be positive as you're passing the pregnancy.
Can negative pregnancy test be wrong?
a negative pregnancy test can be wrong because it could have misditected, a positive pregnany can't be wrong though.
Does a pregnancy blood test say negative or positive?
Depends...
Could an error in a pregnancy test result in a false positive or false negative outcome"?
Yes, an error in a pregnancy test could lead to a false positive or false negative result.
Did a pregnancy test was positive. went to docs was negative. Doc said that the test could have shown up positive if sperm was present at the time of the test. is this true?
There is no false positive pregnancy test result. If it has ever been positive, then it is positive.
Can a pregnancy test be neither positive or negative?
Only if the test is defective or you took the test incorectly.
Can you get a positive result for a pregnancy test and start bleeding with clots and when you take another test 2 weeks later it says negative?
It means you had a miscarriage.
