Dilation and effacement are terms that doctors and other birth professionals use to describe the changes in the cervix that are required for vaginal birth. Even if you've heard these terms, you may ...

Time dilation is real! And anyone who uses a GPS, or the “My Location” option on Google Maps, is making direct use of the fact that time dilation is real. The idea behind time dilation is just as you ...

Dilation and effacement are your body's way of getting ready for labor – your cervix gradually opens (dilates) and thins out (effaces) to help your baby make that grand entrance. This process can ...

Add Yahoo as a preferred source to see more of our stories on Google. Pregnant woman holding apple in one hand and touching belly with other hand Tetra Images/Getty Images In preparation for the birth ...