And so we worked with samples of material that were collected by young pathologists at Brigham Women's Hospital.

The decline in Pap smear coverage is due to a number of reasons, including, mainly, lack of supplies (slides, fixative) owing to poor logistics in this area, and lack of resources to analyse Pap smears (pathologists and cytotechnicians) in some local health systems, which leads to delays in notifying patients of results, thereby indirectly reducing demand for the service.