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There are two main forms of pregnancy tests… blood tests and urine tests. They are both designed to do the same thing, however some can be taken at different points in the pregnancy and some are slightly more accurate than others. Both tests analyze the respective bodily fluids for the presence of human chorionic gonadotropin (hCG). The hormone hCG becomes present after a fertilized egg attaches to a woman’s uterus.

Urine TestA urine test can be taken at home or at a healthcare provider location. Most women use the home pregnancy test after missing a period to get a preliminary indication. These tests are most accurate at least one week following a missed period. After using a home pregnancy test, many women decide to get more accurate testing done at a healthcare provider’s office to assure the results from the home test are correct.

Blood TestBlood tests are performed at a healthcare provider’s location. Blood tests can detect pregnancy earlier than a home pregnancy test, usually around 6-8 days post-ovulation. Results are not immediate but are more accurate than an at home pregnancy test.

  1. Qualitative hCG Blood TestThis test determines if hCG is present in the blood and results provide a positive or negative result.
  2. Quantitative hCG Blood TestThe quantitative test is used to measure the amount of hCG in the blood. This test is used to monitor pregnancy problems and determine whether a patient will have an ectopic pregnancy.

Accuracy of Pregnancy Tests

Pregnancy tests are pretty accurate. Home pregnancy tests, which are the least accurate, are typically accurate 97% of the time. The accuracy of blood tests is even higher and these tests rarely produce false positives. Home pregnancy tests’ accuracy can be affected by:

Different products

Correct/incorrect use of instructions

Abnormal substances present in urine

Point during the pregnancy tested

Symptoms of Pregnancy

There are many different symptoms that may indicate you are pregnant. Other than the typical missed period, here are some other early possible indications of pregnancy:


Frequent Urination


Sore Breasts

Food Cravings

Urgent Care Pregnancy Testing

If you are experiencing any of these symptoms and/or have received a positive home pregnancy test, getting a blood pregnancy test may be a good idea. At Rx Urgent Care, we provide accurate urine and blood pregnancy testing. If you want to confirm the results or know before a home test is effective, contact us today. Our urgent care offices in Raleigh, NC and North Raleigh provide service to patients all over the Triangle area.