Pregnancy tests: How does it work, how do I take it, and when?
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 …
Pregnancy Tests: When to Take One, Accuracy, and Results - WebMD
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 Test: When To Take, Types & Accuracy - Cleveland Clinic
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.
How to Know How Pregnancy Tests Work: 14 Steps (with Pictures)
Oct 26, 2025 · Understand how a urine test works. A urine test is designed to detect the presence of the hormone human chorionic gonadotropin (hCG) in a woman’s urine. This hormone is …
Pregnancy Test Basics | American Pregnancy Association
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.
Understanding Pregnancy Tests: How They Work and What to …
Learn about pregnancy tests, including how they work, different types available, and the tests used to confirm pregnancy.
How Does a Pregnancy Test Work? - optionsforher.org
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 …
How Pregnancy Tests Work | Ava Health
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.
How Pregnancy Tests Work | ParentData by Emily Oster
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 …
How Do Pregnancy Tests Work: A Comprehensive Guide
This article dives deep into the science behind pregnancy tests, explaining how they detect pregnancy, the different types available, and what factors influence their accuracy.