HCG can be found in your blood or urine within two weeks after conception. Urine and blood tests are both accurate. Urine pregnancy tests are available for home use. They are simple to use and offer a very private way to confirm a pregnancy. Urine tests are also the most common pregnancy test used in healthcare settings.
Blood tests are more expensive than urine tests.
They also take longer to do because they must be done in a laboratory. Blood tests, however, have two advantages. They can detect a pregnancy earlier than a urine test and can measure the concentration of HCG hormone in your blood. This is useful information for your healthcare provider in tracking certain problems of early pregnancy. A pregnancy blood test is needed if a urine test is negative but a woman has signs of pregnancy.