HPV

The test checks for HPV alone, but if that's detected then women will be invited for to see a doctor who will check for cell changes which could indicate cancer.

If women aged 25-49 have a negative test for HPV from this summer, they will wait five years until their next screening appointment instead of three.

In December 2023, Northern Ireland introduced primary HPV cervical screening, although this was after Ms Guy's diagnosis.

The HPV vaccine, which is offered to school pupils aged 12 and 13, helps stop the spread of Human papillomaviruses.

Doctors say most HPV infections go away by themselves but sometimes infections can lead to a variety of serious problems.