Yes there is a possibility for a negative test to be positive for two simple reasons: A. The test isn't dectecting the baby hormone simply because it may be to soon or B: the test is defective. Either way if you are in doubt you can go to your Local Health Department for a more precise test such as Blood or simply make a doctor's appt.
Yes, because when you took the first pregnancy test it could have been too early in the pregnancy to detect any hCG.
Yes, this is possible. In general, results that appear after 5-10 minutes are inaccurate.
Yes, it all depends on the HcG levels.
nahhh thats not possible
you will want to go to the doctor and get checked out. since you dont know how long it took the test to change it could be positive or it could be negative
About a week after the egg has been fertilized
Yes, as long as you don't count zero as either positive or negative.
A pregnancy test can remain positive for 2 weeks after a miscarriage. Sometimes longer.
The positive
Positive numbers are greater than negative numbers. Decimals can be either positive or negative.
As long as the negative integer is greater than the positive integer, a negative integer will result from addition, subtraction, multiplication, and division.
It is possible. Pregnancy tests are never 100%. Depending on which one you used will depend on the accuracy of the answer. Another factor is how long it's been since your last period. False Positives and Negatives do sometimes occur though.
negative is - positive is +
It can. For example if you have 2 + (-4) the answer is -2. It works as long as the number that is negative is larger than the positive number. (ie. 2 < 4) I hope this helps.
No.
about 1O-14 days after conception.