Announcing the NEW! FIRST RESPONSE Digital Pregnancy Test. Sensitive enough to give you accurate results four days before your expected period with an easy-to-read "Yes/No" answer. Also offers a unique "test is working" indicator that lets you know the test is ready for use. First Response is over 99% accurate at detecting typical pregnancy hormone levels from the day of your expected period.
First Response can detect the pregnancy hormone as early as four days before day of expected period.
Some pregnant women may not have detectable amounts of pregnancy hormone in their urine on the first day of the missed period or may have miscalculated the first day of their period.