RN or Nurse Practitioner? If youâre considering a nursing career, you may be wondering what the difference is between a registered nurse (RN) and a nurse practitioner (NP). What is the Difference Between an RN and an LVN?
  Answer     A blood test should be able to pick up the HCG in your blood at about 7 days after conception.     Some pregnancy tests say they can pick up â¦ HCG in your urine from about 7-10 days after conception, but most tests you have to wait to about 14 days-when your period is due.
while it may be possible to detect a pregnancy as early as 5 1 2 weeks because the tiny sac containing the baby and its heart is so tiny an ultrasound may not be able to detect pregnancy at this stage if the baby can be seen at 6 to 7 weeks their heart beat may even be detected