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How Does Pregnancy Testing Work?

Pregnancy tests work to detect a hormone called human chorionic gonadotropin (hCG). This hormone is produced rapidly at the beginning of pregnancy and can be found in blood and urine.

When enough of this hormone has built up, a pregnancy test will have a positive result. If no hCG is detected, the pregnancy test will be negative.

What Is hCG?

HCG is a needed hormone for pregnancy and is responsible for helping the uterus lining thicken to sustain a growing embryo. It also tells the body to stop menstruation as it switches into pregnancy mode. 

First, the embryo produces HCG, then the placenta, and levels rapidly climb in the first trimester until about week 10, when levels finally plateau and slowly decline until birth.

When Do I Take A Test?

For the best results, try to wait until the first day of your expected period. This waiting time gives hCG levels time to build up and accurately be detected by a pregnancy test.

Even though you can take a pregnancy test at any time of the day, hCG levels are more concentrated in the morning, during the first urination of the day. Testing in the morning can help you receive accurate results and help to avoid a false negative.

Confirm your pregnancy today with pregnancy testing at our center. It’s possible you received a false negative home pregnancy test or a false positive. This could have been due to taking a test too early or taking the test incorrectly. 

Free Pregnancy Tests

We offer self-administered, free and confidential pregnancy tests. Based on the results of the test, we offer mentoring and referrals for women in their unique situations.


  • If your test is positive, we can schedule a 2D ultrasound, provided by trained medical professionals to confirm pregnancy by identifying
    • Location of Pregnancy
    • Fetal heartbeat
    • Number of weeks of pregnancy and estimated due date
  • If your test is positive, we will provide a Positive Pregnancy Test Verification for your doctor and WIC.
  • We are not a substitute for prenatal care or medical services.

Contact us to get a pregnancy test today so you can move forward!

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