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When a woman becomes pregnant, her body starts to produce a hormone called human chorionic gonadotropin (HCG). This hormone can start to appear in the blood and urine of a pregnant woman shortly after conception.

A pregnancy test can detect if the HCG hormone is present and can measure HCG levels. The test can be done with a blood or urine sample. Knowing the level can help a healthcare provider determine a due date.

When should you take a pregnancy test?

Most women will take a pregnancy test when they start to experience early pregnancy symptoms. Early signs of pregnancy can include:

  • Missed period
  • Sore or tender breasts
  • Fatigue
  • Sensitivity to smells
  • Nausea
  • Frequent urination

For the most accurate result, wait to take a pregnancy test until the week after your missed period. If the test is taken too early in your cycle, you may receive a less reliable result.

There are pregnancy tests you can take at home, but these may not be able to detect pregnancy as early as a test given by a healthcare provider. If you have a positive pregnancy test result at home, you may still want to take another pregnancy test at a healthcare provider’s office to confirm the results.

What should you expect with a pregnancy test?

You don’t have to do anything to prepare for a pregnancy test. For the urine test, you urinate into a cup. You may want to provide a urine sample in the morning, when the HCG hormone is more concentrated. Results are ready in a few minutes. For the blood test, a healthcare provider will use a needle to draw a sample of blood. These results could take longer.

If you think you may be pregnant, visit your nearest CareNow® urgent care clinic for a pregnancy test. You can minimize your wait time with our Web Check-In®.

Our CareNow® urgent care clinics are open seven days a week and welcome walk-in patients. Or, try our Web Check-In® feature to avoid wait times from the comfort of your home.

Web Check-In®


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