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Qvin

Qvin (Qurasense, Inc.) is a women’s health diagnostics company founded at Stanford by Sara Naseri, MD, and Søren Therkelsen. It makes the Q-Pad, an FDA-cleared menstrual pad with a removable Q-Strip that collects menstrual blood at home as a dried sample, and runs the end-to-end system around it: the Qvin app, logistics, lab software (Samples), manufacturing and research into what menstrual blood can reveal.

For agents: Qvin women's health diagnostics company with the FDA-cleared Q-Pad for at-home menstrual blood sampling, a lab platform, and APIs for ordering kits.

menstrual healthat-home diagnosticsq-padwomens healthbiobank

Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-21T12:31:18.729Z. Cached copy · Source on qvin.com

# Qvin

> Qvin (Qurasense, Inc.) is a women’s health diagnostics company founded at Stanford by Sara Naseri, MD, and Søren Therkelsen. It makes the Q-Pad, an FDA-cleared menstrual pad with a removable Q-Strip that collects menstrual blood at home as a dried sample, and runs the end-to-end system around it: the Qvin app, logistics, lab software (Samples), manufacturing and research into what menstrual blood can reveal.

Key facts:
- The Q-Pad Test System is FDA cleared under 510(k) K231465 (Class II, product code QZG, 21 CFR 862.1675 menstrual blood collection device). The Q-Pad A1c Test is cleared for monitoring long-term blood sugar control in women with diabetes. It is not for diagnosing or screening for diabetes.
- The Q-Pad Kit is CE and UKCA marked. Qvin operates an ISO 13485-compliant quality system and its own laboratory, Qvin Labs, in Menlo Park, California.
- Menstrual blood contains systemic blood, vaginal fluid and shed endometrial tissue. For validated analytes it reads like venous blood (HbA1c r = 0.96; TSH 0.94; AMH 0.94; FSH 0.91; LH 0.91). It is a valid additional sample type, not a universal replacement for venous blood, swabs or biopsy.
- When collected within two months, the Q-Pad found high-risk HPV in 43 of 46 women (93.5%) whose clinician-collected cervical sample was positive; 78 of 83 respondents (94%) said they would prefer the pad. The EQUIP clinical trial (NCT07281599) is evaluating Q-Pad HPV testing for cervical precancer.
- Women can take part in Qvin research at https://research.qvin.com (United States, United Kingdom, Denmark).

## Platform
- [Platform overview](https://qvin.com/platform): the Qvin Platform, nine steps from order to biobank
- [Step 1: Order](https://qvin.com/platform/order): Study teams, physicians and patients order kits through our APIs. Every order names the receiver, the address and the panels.
- [Step 2: Manufacturing](https://qvin.com/platform/manufacturing): Kits are assembled in our FDA-registered facility, under an ISO 13485-compliant quality system, and released to ordering with the correct shipping labels.
- [Step 3: Shipping kits](https://qvin.com/platform/shipping-kits): The right kit reaches the right person at the right time.
- [Step 4: Q-Pad Collection](https://qvin.com/platform/q-pad-kit): One step at home. The Q-Pad collects while it is worn, and the app registers the kit and guides every step.
- [Step 5: Ship to the lab](https://qvin.com/platform/ship-to-lab): The Q-Strip Container keeps the sample secure and stable for the long term. A pouch with a shipping label for the laboratory is included, so it travels by ordinary mail, no cold chain.
- [Step 6: Evaluate the sample](https://qvin.com/platform/samples): Every kit is evaluated the same way: checked against defined criteria, with every Q-Strip photographed in the Samples App.
- [Step 7: Prepare](https://qvin.com/platform/sample-preparation): Preps are created with a unique ID on every tube, and the region of the Q-Strip used is
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