If blood touches the test strip it can affect the outcome of the test.
If both pregnancy tests are positive, you are pregnant. Those cramps and spotting is PERFECTLY normal. Nothing wrong there.
Most probably YES
It is possible to have inconclusive test results, but not to test both positive and negative at the same time.
it is possible to pregnant with the IUD take a urine test
No it is not possible to test for salvia.
Yes, that is possible. Take a test
It is possiable to test positive if you where using k2.
yes
It is still possible to be pregnant and have spotting. You should take a pregnancy test to make sure.
Anecdotally, yes, it is possible.
Spotting could represent a side effect of NuvaRing or an STD. If your'e at risk for STDs, get tested. Signs of pregnancy are missing period and positive pregnancy test.