Jul 25, 2023 · A pregnancy test is around 99% reliable. It works by measuring levels of HCG in either the blood or urine. HCG can be present in the blood and urine approximately 10–14 …

Aug 4, 2025 · Think you might be pregnant? Consider taking a home pregnancy test. But before you do, learn how pregnancy tests work, when to take one, and how accurate they are.

Pregnancy tests work by checking your pee or blood for human chorionic gonadotropin (HCG), a hormone your body makes if you’re pregnant. At-home tests are most common.

Oct 26, 2025 · Trying to conceive is an exciting time in a person’s life. It can also produce a lot of anxiety as you wait for results, especially if you aren’t sure how pregnancy tests work. …

Pregnancy tests work best when the pregnancy hormone human chorionic gonadotropin (hCG) has built up in your system. This usually happens around 11 – 12 days after ovulation.

In this guide, we’ll walk you through how pregnancy tests work, the importance of accurate testing, when and how to test, and what your next steps should be after a positive result.

Jul 3, 2025 · Understanding how pregnancy tests work and knowing when to take them can help ensure you get an accurate result. This article breaks down the essential details about …

Mar 4, 2025 · Home pregnancy tests detect the presence of HCG in the urine. Although the body produces HCG at implantation (10 days after conception), HCG may not be detectable in the …

Feb 22, 2025 · Pregnancy tests work by detecting hCG in urine. hCG is produced once the fertilized egg implants, and it increases rapidly after that. The earlier you take the test (relative …

May 2, 2025 · All pregnancy tests, whether they’re blood or urine-based, work by detecting hCG (human chorionic gonadotropin). This hormone is present in the body during pregnancy, and …