|How Pregnancy Tests Work|
All at-home pregnancy tests detect the hCG hormone levels in a woman's urine to determine if she is pregnant.
Find out how tests work
|Accuracy & Knowing Sooner|
What increases the sensitivity of an at-home pregnancy test? What factors can affect a test's accuracy?
Find out now
See our Know Six Days Sooner slideshow
There are signs of pregnancy that are obvious, and others not so obvious. Knowing all the signs may help you take better care of yourself and your baby earlier.
Additional resources on pregnancy and pregnancy tests.