The round was led by Lunar Ventures, with additional participation from the Labcorp Venture Fund, Tiny VC, BlueLion Global, Alumni Ventures (investor in Oura & Levels), and a network of high-profile angels, including Amar Shah (co-founder of Wayve), Vivek Garipalli (founder of Clover Health and Wormhole Capital), and Harpreet Rai (former CEO, Oura). Emm has also received non-dilutive funding, including grants that support innovation in women’s health technology.

This funding will support Emm in bringing this first-of-its-kind product to market transforming how people experience and understand their cycles, and by extension, their bodies. It will also accelerate the pathway to further clinical product development, as the business moves to transform the research, diagnosis and treatment of reproductive and menstrual health conditions.

Modernising menstrual healthcare and diagnosis

Despite affecting half the global population, menstrual and women’s reproductive health remain among the most under-served areas in healthcare. One in three women will experience severe menstrual or reproductive health symptoms in their lifetime, yet both clinicians and individuals lack reliable tools for baseline measurement and tracking until now.

Emm is addressing this gap with a breakthrough wearable device that objectively measures menstrual flow volume and tracks key cycle metrics, such as duration, frequency and regularity – offering users accurate, personalised health insights for the first time, together with an absolute commitment to privacy.

Defining a new category in health wearables

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. The accompanying connected app automatically collates baseline data over time, allowing users to identify and track patterns, understand their own biology and have more effective conversations with healthcare professionals about their symptoms, in just three cycles.

Built on lived experience, backed by experts

Jenny Button founded Emm in 2020 to transform outcomes in women’s health. The company’s board is chaired by Grace E. Colón, PhD; a biotech leader with nearly 30 years’ experience across biopharma, genomics, and healthcare, currently serving on multiple corporate and nonprofit boards including Voyager Therapeutics, MIT, and BIO.

Emm will launch to consumers in the UK in early 2026, with other markets to follow.

Jenny Button, Founder and CEO of Emm, said: “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. 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.”

Grace E. Colón, PhD, Board Chair “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. I am thrilled to partner with Jenny and her team to provide tools that are desperately needed and catalyse what we anticipate will be major advances for patients.”

Mick Halsband, Partner at Lunar Ventures, commented: “We’re proud to back Jenny and the Emm team as they build the foundational technology to transform women’s health and drive measurable impact in chronic diseases. At Lunar, we invest in founders tackling complex engineering challenges across data, materials, and biological systems, and Emm exemplifies this with its world-class hardware and high-fidelity data. Their world-first platform has the potential to redefine standards of care and data quality in menstrual health and beyond.”

Megann Vaughn Watters, VP of New Ventures & Strategic Alliances at Labcorp said: “We see tremendous value in innovations that give people more control over their own health with actionable data and insights. 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.”

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