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Qualitative urine pregnancy tests vary in sensitivity. High-sensitivity tests are more common and typically detect hCG levels between 20 and 50 milli-international units/mL (mIU/mL). Low-sensitivity tests detect hCG levels between 1500 and 2000 mIU/mL and have unique clinical applications, including confirmation of medication abortion success. [12]
For instance, the home pregnancy test is an LFT that detects a specific hormone. These tests are simple and economical and generally show results in around five to thirty minutes. [2] Many lab-based applications increase the sensitivity of simple LFTs by employing additional dedicated equipment. [3]
Clearblue home pregnancy test system 1985. Clearblue was introduced in 1985 with the launch of the first Clearblue Home Pregnancy Test system, which at the time was owned by Unilever. [4] It was the world’s first “rapid home test” that gave pregnancy test results in 30 minutes and allowed a woman to take a test before going to the doctor. [4]
New advancements in technology have made testing for HIV as easy as testing for pregnancy. U.K. based company, BioSure, has developed an at-home HIV test that is 99.7% accurate. The test ...
In general, it's best to wait until you've missed your period, and to take the test first thing in the morning. Learn how timing impacts accuracy from experts.
Many home pregnancy tests are immunoassays, which detect the pregnancy marker human chorionic gonadotropin. [20] More specifically, they are qualitative tests that detect whether hCG is present, using a lateral flow setup. [21] The COVID-19 rapid antigen test is also a qualitative, lateral-flow test. [22]