How reliable is first response?

FIRST RESPONSE™ detects the pregnancy hormone 6 days sooner than the day of your missed period (5 days before the day of expected period). > 99% accurate at detecting typical pregnancy hormone levels.

Can first response be wrong?

Doctors say so-called early-result pregnancy tests waste time and money. Studies on the packaging of such kits as First Response say 48 percent of women get a “false negative” result when they test three days before their expected period.

Is first response the most accurate?

The First Response Early Result manual test is the most sensitive over-the-counter pregnancy test you can buy. It gives accurate results as or more quickly than most of the tests we considered and is just as easy to read as a digital test.

Can you get a false negative with first response?

For those users, who claim about “false” positive FRER results. As my experiments with my husband’s urine proved, if you do not have HCG, the test will be clear negative – no test line at all, only control line.

Is the accuracy of the first response test high?

From a theoretical standpoint, then, the accuracy of the First Response test should be quite high, and the rate of false positive or false negative should be quite low.

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When to take a first response pregnancy test?

1 FIRST RESPONSE™ detects the pregnancy hormone 6 days sooner than the day of your missed period (5 days before the day of expected period). 2 >99% accurate at detecting typical pregnancy hormone levels. Note that hormone levels vary.

What causes a false positive on a first response pregnancy test?

Further complicating the accuracy of the First Response test is that false positives sometimes result from a phenomenon called an “evaporation line.” This line, which mimics a positive result, can form when a test develops longer than the manufacturer recommends, according to Pee On A Stick, an information website for home pregnancy tests.

How reliable is first response? FIRST RESPONSE™ detects the pregnancy hormone 6 days sooner than the day of your missed period (5 days before the day of expected period). > 99% accurate at detecting typical pregnancy hormone levels. Can first response be wrong? Doctors say so-called early-result pregnancy tests waste time and money. Studies on…