Home pregnancy tests use a few common result formats: visible color or indicator lines, plus/minus symbols, and digital word displays (e.g., “Pregnant” / “Not Pregnant”). Some digital models also include progress indicators or countdowns.

Common sensitivity values listed include 25 mIU/mL and 10 mIU/mL. Some early-detection tests advertise the lower 10 mIU/mL sensitivity; many standard sticks and strips list 25 mIU/mL.

Package sizes range from small multi-packs of stick tests (often 2–5 tests) to bulk counts for dip strips, commonly offered in 20-, 50-, or 70-count packs.

All tests use urine. Sample methods include holding the absorbent tip in the urine stream (midstream sticks) for a few seconds or dipping a strip into collected urine. Typical instructed contact times range roughly from about 3–5 seconds up to around 5–10 seconds, depending on the product—follow the package directions for the exact time.

Many listings claim around 99% accuracy, often specifying that this applies from the day you expect your period. Some product descriptions note 99% accuracy at typical pregnancy hormone levels—check the manufacturer’s testing conditions for details.

Design elements that improve sampling and reduce user error include overflow guards or barriers that limit excess urine on the strip, extra-wide absorbent tips for easier sampling, clear color or stop-light indicators, and digital countdown/progress displays that show when the test is complete.