pregnancy test how many weeks

Many home pregnancy tests advertise early detection beginning about 5 days before a missed period; some listings claim detection up to 6 days before. Packaging and marketing language varies, but “5 days before your expected period” is a common phrasing.

Some test strips list a sensitivity of 25 mIU/mL, while at least one early-detection test listing specifies 10 mIU/mL sensitivity.

Common displays are color indicator lines (single or two lines), plus/minus symbols, and digital word results such as "Pregnant" or "Not Pregnant."

Listed read times vary by product: some rapid tests claim results as fast as 1 minute, while many tests specify common read times of 2–5 minutes.

All of these tests use urine. Instructions vary by format: midstream devices typically advise holding the absorbent tip in the urine stream for about 5 seconds, while dip-strip tests instruct dipping the strip for about 3–5 seconds.

Descriptions state that two lines indicate pregnancy regardless of how faint the second line is, and many packages include multiple tests so you can double-check early or unclear results. Listings and reviews also note faint-but-readable lines appear with some tests.