The only way a blood test would come up negative during pregnancy is if it was very, very, VERY early in pregnancy (i.e., within two weeks of ovulating). At that point, there is not enough HCG to register positive on a test yet.

• Can a blood pregnancy test show negative and your pregnant. I had always been told a blood test is ALWAYS?
• Could a pregnancy blood test give a false negative 3 days past my period?
• Not really a question ... just want everyone to say a prayer for me ... going for pregnancy blood test 2mo ...
• Hello: I would like to ask driving test is a blood test to check Mody. Examined and blood tests to check what,
• Would an Ovulation test show negative if your pregnant?
• How long will marijuana show up in a blood test?
• How does alcohol show up on blood test results?
• I took a pregnancy test 7 days before expected period it was negative but I have pregnancy symptoms?
• Really wanting to take a pregnancy test but Im scared that's its going to be negative ! Help?
• Thought my pregnancy test was negative now its positive, help?