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Some of the reasons a test may give a false-negative result include: Home pregnancy tests look for the presence of human chorionic gonadotropin (hCG) in urine. Although some tests can detect hCG ...

But if there is too little (less than 25 mIU/mL) or too much (500,000 mIU/mL or more) hCG in the urine, a urine-based pregnancy test may give a false negative. To ensure the most accurate result ...

an at-home pregnancy test can measure hCG levels with 97 to 99 percent accuracy. Pregnancy tests with blue or pink dye typically show one line if the result is negative and two if hCG is detected ...

Pregnancy test kits are useful tools for women who are trying to conceive or are simply seeking transparency on a potential pregnancy. While it's true that the ease of at home testing makes these ...