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.
Tests and Exams for Pregnancy Week 3. Most pregnancy tests detect conception based on the hCG levels in the urine. So, conception can be detected by a home pregnancy test during the third week [12], 5-6 days following implantation. Blood pregnancy tests give positive results 3-4 days after implantation [8].