Over 99% accurate from the day of your expected period (99% accurate at detecting typical pregnancy hormones levels. Note that hormone levels may vary. See insert). Fast & accurate. Over 99% accurate from the day you expect your period (99% accurate at detecting typical pregnancy hormone levels. Note that hormone levels vary. See insert). Results 5 days sooner (see side of pack) with Floodguard Technology. Extra wide tip changes color for easy sampling. Floodguard Technology to help reduce usage error (data on file). Clear + or - results. Proud to support (March of Dime does not endorse specific brands or products). March if Dimes fighting for healthy moms and strong babies.