Period Blood Test May Offer New Way to Screen for Cervical Cancer

Researchers say testing menstrual blood for signs of cervical cancer could provide a convenient, at-home alternative to traditional screening. The current NHS cervical screening test requires a clinician to collect cells from the cervix, yet about a third of eligible women do not attend appointments.

In a study published in The BMJ, scientists analysed period blood collected on a cotton strip attached to a sanitary pad from more than 3,000 women aged 20 to 54. Results showed the method was nearly as effective as clinician-collected samples in detecting high-risk human papillomavirus (HPV), the virus responsible for most cervical cancers.

Charities have welcomed the findings, noting that less invasive options could help women who avoid screening due to discomfort, trauma or cultural barriers. However, experts caution that more research is needed before menstrual blood testing can complement or replace existing screening programmes.

10-02-2026