Yes; you need to go to the doctor and get a proper test done ASAP (like, tomorrow). The doctor's test is the most reliable kind.
If you have a negative pregnancy test, you are probably not pregnant. What makes you think it's not your period? (ie. did you have a pos pregnancy test earlier?)
Yes, that is possible. Take a test
It is still possible to be pregnant and have spotting. You should take a pregnancy test to make sure.
No, if you menstruated then you are not pregnant - it is possible to bleed when pregnant, but biologically impossible to menstruate during pregnancy. Two days after menstruation spotting is normal, it's just the remaining blood leaving your body.
No. Spotting can occur during pregnancy.
If blood touches the test strip it can affect the outcome of the test.
Yes, it is possible to be pregnant. WEIRD, but possible still take a pregnancy test to be absolutely sure.
Having a period (shedding of the uterine lining) and pregnancy are not compatible but some women experience monthly period type spotting during pregnancy.
The only way to know is by taking a pregnancy test.
yes
Sometimes women have implantation spotting that they confuse with their period. You should take a pregnancy test to see if you are pregnant.
Typically women that experience a "period" during pregnancy really only have slight bleeding with implantation. This is called implantation spotting. If you have confirmed you are pregnant, you should see a doctor for any bleeding.