You know your body better than anyone, so bring it to his attention. If he's a d*ck about it, find a different doc. Had it not been for my begging to get a certain blood test done, I wouldn't have been diagnosed w/ lymes disease. B/c of my insistence, I was able to be treated early and have been...
No, it's not possible for a test to detect pregnancy that early. Your body's not producing enough of the hcG hormone (aka pregnancy hormone) to be accurately read by a home test. Not to mention, it takes at least a week for the fertilized egg to travel down the fallopian tube and implant itself...