Cervical screening is responsible for thousands of lives saved each year in the UK. The smear test (now more widely known as cervical screening) is used to detect any cell changes before they can become more serious. If you've received your invitation letter or have any questions about the procedure, we explain everything you need to know below. Understanding Cervical Screening Cervical screening tests the health of your cervix, which is the lower part of your uterus. The tes