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Which Home Pregnancy Tests are Most Accurate?

Most home pregnancy tests on the market today claim to be more than 99 percent accurate when taken correctly. What they don't tell you, however, is whether they're as accurate on the day you miss your period as they are 5 to 7 days later. So how do you know which home pregnancy test will give you the most reliable result when you want it?

Home pregnancy tests are designed to detect hCG, a hormone secreted by the cells that will become the placenta. If you are pregnant, your hCG levels will increase rapidly almost immediately following implantation, and will double every 2 to 3 days for about 10 weeks. The tests that detect the lowest concentration of hCG (in milli-International Units per milliliter of urine) are more sensitive to hCG and will give you the earliest reliable results. For example, tests that can detect 20 mIU/ml are more sensitive than those that can detect 50 to 100 mIU/ml.

The chart below lists 25 home pregnancy tests currently on the market. The tests with the lowest hCG levels should be able to detect pregnancy sooner than those rated for a higher level.

Test Name Lowest hCG detected*
AimStick Pregnancy Test Strip 20 mIU/ml
AccuHome Midstream Pregnancy Test 25 mIU/ml
Answer Early Result Pregnancy Test 25 mIU/ml
Answer Pregnancy Test (Cup) 25 mIU/ml
Clearblue Easy Earliest Result Pregnancy Test 25 mIU/ml
Confirm 1-Step Pregnancy Test 25 mIU/ml
CVS Pregnancy Test (Stick) 25 mIU/ml
Equate Pregnancy Test 25 mIU/ml
First Response Early Result Pregnancy Test 25 mIU/ml
One Step Be Sure Pregnancy Test 25 mIU/ml
Puralin One Step Pregnancy Test 25 mIU/ml
e.p.t. Home Pregnancy Test 40 mIU/ml
e.p.t. Certainty Digital Test 40 mIU/ml
Fact Plus Pregnancy Test 40 mIU/ml
Clearblue Digital Pregnancy Test 50 mIU/ml
CVS Cartridge Pregnancy Test 50 mIU/ml
CVS Midstream Pregnancy Test 50 mIU/ml
Dollar Store Brand Pregnancy Test 50 mIU/ml
PROOF POSITIVE! Personal Home Pregnancy Test 50 mIU/ml
Drug Emporium Brand Pregnancy Test 50 mIU/ml
e.p.t. +/- Pregnancy Test 50 mIU/ml
Early Pregnancy Test 50 mIU/ml
RiteAid Brand Pregnancy Test 50 mIU/ml
WalMart Brand Pregnancy Test 50 mIU/ml
Walgreens Brand Pregnancy Test 100 mIU/ml
*Note: HCG levels are manufacturer's claimed sensitivity, not test accuracy. We did not conduct laboratory analysis of these tests.

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