A new test that detects cervical cancer from menstrual blood has shown accuracy nearly identical to the standard clinical method — and it can be done at home.
Researchers in China tested whether blood collected on a regular sanitary pad could detect HPV (human papillomavirus), the virus responsible for most cervical cancers. They compared it directly against the traditional approach: a clinician-inserted brush that millions of women skip each year.
The study followed 3,068 women aged 20–54 with regular cycles. The menstrual blood test detected precancerous cell changes (CIN2) with 94.7% accuracy, compared to 92.1% for the standard clinical sample. On specificity — the ability to correctly identify women without disease — both methods performed identically.
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Start Your News Detox"The results show the utility of using minipad-collected menstrual blood for HPV testing as a standardised, non-invasive alternative," the researchers wrote. That matters because millions of women invited for cervical screening don't attend. Discomfort, inconvenience, embarrassment, and access barriers all play a role. A test you can do yourself, using a pad you already have, removes several of those friction points.
The method isn't a universal solution — it won't work for menopausal women or those without regular cycles — but it could expand who gets screened. Offering choice, the researchers suggest, could be genuinely valuable for people who currently avoid cervical exams.
Experts are cautiously optimistic but want to see larger trials with more diverse populations before this shifts clinical practice. The real test now is whether this moves from research to clinics, and whether it actually brings more people into screening programs. That's where the public health win lives.
