Cervical screening (sometimes known as a smear test) tests the health of the cells found on your cervix. It is important to find and remove abnormal cells which can lead to cervical cancer. Cervical screening is offered to people with female genitals aged 25 and over. This is because it is very rare for anyone under the age of 25 to develop cervical cancer Check out the NHS Choices website to find out more about cervical screening.