It depends how long ago you were pregnant. There is debate as to how long it takes for the pregnancy hormones to leave your system after birth. Some say 24 hours, other say 2 weeks, others say 8 weeks. I would say 2 weeks, personally.
No it can not.
If the test is done properly, the chances to give false positive test are very slim indeed.
No, it shouldn't do
No
No, they can not. If your pregnancy test showed up positive, you are most likely pregnant. - M.D. in Medical Science
No, the test does not measure the chemicals in weed. Only medication containing HCG will give you a false positive pregnancy test. See your doctor for confirmation.
See this answer: "No, melatonin would not give a false positive result on a pregnancy test, however melatonin does increase the amount of the hormone which pregnancy testing kits look for if you are pregnant so you may get a true positive earlier than normally possible. Many pregnancies are rejected by the body very early in development. " Source: Can melatonin give you a false positive pregnancy test reading
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.
Yes, lithium can cause a false pregnancy on a pregnancy test.
No , but a negative test can be a false positive .
Yes, an error in a pregnancy test could lead to a false positive or false negative result.
If your pregnancy test is positive then most likely you are. You would be more likely to get a false negative rather than a false positive. If you are unsure, you can request a beta HCG test from your doctor. This will measure the HCG hormone in your blood system which is an indicator of pregnancy. The pregnancy test is positive and you haven't had a period in two months. I see nothing to indicate that this is a 'phantom' pregnancy other than maybe wishful thinking. I've been told that the home test kits may give a false negative, but that they never indicate a false positive.