A high-tech menstrual cup developed by a Bristol entrepreneur has secured £6.8m in a seed funding round.
Emm is a wearable device and app that measures menstrual flow volume and tracks cycle metrics, such as duration, frequency and regularity.
The company was founded by Jenny Button five years ago after she tried out various devices to monitor her health.
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The round was led by Lunar Ventures, with additional participation from the Labcorp Venture Fund, Tiny VC, BlueLion Global and Alumni Ventures.
A network of angel investors also participated, including Amar Shah, co-founder of Wayve; Vivek Garipalli, founder of Clover Health and Wormhole Capital; and Harpreet Rai, former chief executive of Oura.
Emm has also received non-dilutive funding, including grants that support innovation in women’s health technology.
“Menstruation is known as the fifth vital sign, but has historically been overlooked by the wearable sector, leaving millions without the data they need to understand and advocate for their own bodies," said Ms Button.
"We envision a future where menstrual health is measured and understood as comprehensively as cardiovascular or metabolic health, giving people access to objective, actionable insights to better manage their health and wellbeing.”
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Developed over five years with thousands of design iterations and extended user testing, the non-intrusive cup integrates medical-grade silicone with ultra-thin advanced sensor technology. An accompanying connected app automatically collates baseline data over time, allowing users to identify and track patterns in three cycles.
The funding will be used to bring Emm to market and accelerate the pathway to further clinical product development, the company said. Emm will launch to consumers in the 海角视频 in early 2026.
Grace E. Colón, board chair, said: “Emm’s technology has the potential to serve as both a biological sample and data insights platform, unlocking new knowledge and opportunities for researchers and biotech focused on women’s health and beyond."
Megann Vaughn Watters, vice president of new ventures and strategic alliances at Labcorp, added: “We are excited to support Emm as they strive to bridge the gap in access to reliable menstrual health data and change the way reproductive health conditions are researched, diagnosed and discussed by both consumers and clinicians.”