It is definitely possible, especially if the test was a rapid test (what is typically done) and not a more expensive and time consuming test such as one done by Western Blot or Chemiluminescence. The standard recommendation for confirmatory HIV testing is 9 weeks after suspected infection. Even if your 5 week test is negative, I would strongly encourage you to get tested between 9 and 12 weeks.
Not very likely. If you are getting negative tests and think you are pregnant go to the doctor for a blood test/ultrasound scan.
It is possible to be pregnant and the test negative, but not likely.
Yes. If you are pregnant you will be likely to get a false negative. Most women will test positive with a home pregnancy test at around 3 to 6 weeks of pregnancy.
You may have a STD. Go to the doctor
not very likely
If you took a test and it was negative you likely didn't ovulate this cycle and may need medication to bring on your period. Consult your physician.
You can test negative on a blood test for upto 10 days after contracting glandular fever. If this should occur with you, go back to your Doctor in 2 weeks for a repeat blood test. If it is negative, you do not have glandular fever.
yes
If you haven't had your period yet, there is definitely still a chance of being pregnant. Your hormones change daily and are stronger for most in the morning. Your best bet is to get a blood test. This is accurate and will give you a definite. If you haven't had you period, then I would say most likely you are. GOOD luck!
It can be up to six weeks. The same if you were to miscarry.
A home pregnancy test will show up most probably negative in this case.
It is possible (a false negative test result), but not likely.