These strips can detect pregnancy before a missed period but potential buyers should be aware that the line takes longer to appear and is much fainter than the line you will get with one of the packaged drugstore brands. In fact, I took this test before my missed period and thought that the results were "inconclusive" because the line was barely visible so my husband went out to get a drugstore test. That test was much more obvious and results appeared much quicker. Even now, about a week plus after my period, the line is still fainter than the control line and takes a couple of minutes to appear. Hopefully that doesn't indicate a problem. Anyway, the bottom line is that if you plan on taking a lot of pregnancy tests, these are a good option just don't expect them to work the same as the other tests you may be used to taking.
UPDATE: It turned out that the pregnancy for which I originally reviewed these strips miscarried at 6.5 weeks :( This is perhaps why the line...
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