Hormone health for women
Building a future our daughters take for granted.
Niara Health is building a wearable designed to measure women’s hormones directly and continuously from sweat.
Her levels over time
Illustrative
Designed for
Direct &
continuous
The future we see
We envision a future where every woman can…
- 01
See her actual hormone levels at any time
- 02
Know what the numbers mean
- 03
Receive care tailored to her body
- 04
Take medication personalized for her biology
…and it’s so commonplace that she hardly notices it’s there.
What’s missing today
Today, women choose between direct and continuous. They can’t have both.
Blood tests
Direct, but needles, clinic visits, and cost.
Urine tests
Daily strips, daily mess, and daily effort.
Wearables
Continuous, but estimate hormones instead of measuring them.
What we’re building
Our future needs three things that don’t exist yet.
At Niara, we’re building all three, starting with measurement.
Measurement
Tools to measure hormones directly and continuously, with nothing for her to do.
Data
A dataset of women’s hormones that has never existed before.
Meaning
Interpretive layers that turn that data into meaning for women, clinicians, and researchers.
How it works
A small patch, designed to do the work for her.
We’re building a wearable patch designed to measure women’s hormones continuously, with nothing for her to do once it’s on.
- 01
Wear the patch
A small, discreet patch is worn on the skin.
- 02
Gently collect sweat
The patch is designed to gently collect a tiny amount of sweat, with no needles and no strips.
- 03
Measure hormones
Our sensor is designed to measure hormones like estrogen and progesterone directly from that sweat.
- 04
Send readings to an app
Readings are designed to travel wirelessly to an app on her phone.
- 05
See how levels change
She’ll see how her levels change over time, across her cycle, symptoms, and life stages.
What it will make possible
A continuous record of women’s hormones has never existed.
Over time, it will help women understand their own bodies, help scientists define what normal looks like, help clinicians diagnose earlier, and help drug developers design therapies around women’s individualized biology.
Women will stay in control of their data, with clear consent and transparency about how it’s used.
Women
Understand their own bodies.
Scientists
Define what normal looks like.
Clinicians
Diagnose earlier.
Drug developers
Design therapies around women’s individualized biology.
The team
Built on years of biosensor research.

Noelle Mitchell, PhD
Co-Founder & Chief Scientific Officer
Noelle is the scientific architect behind Niara's sensing platform. She earned her PhD in Chemistry at UCLA in the lab of Dr. Anne M. Andrews, where her thesis advanced aptamers for personalized medicine and health and wellness applications, and she now continues that work as a Robbins Postdoctoral Scholar at Pomona College.
Her research directed the development of aptamer-FET biosensors for hormone and neurotransmitter monitoring, with advanced aptamer-selection training at Columbia University in the lab of Dr. Milan Stojanović. She is a co-inventor on a patent for a wearable sweat sensor for ovulatory hormone monitoring and a published author in Science.
Highlights
- Co-inventor, wearable sweat-hormone sensor patent (WO 2025/184606 A1)
- $200K UCLA Innovation Fund Pitch Day award — first wearable patch for female hormone monitoring
- Charles J. Pedersen Excellence in Research Award
- Published in Science (2023); first-author work on sweat-based fertility-hormone sensing
We’re early
We’re a pre-seed company building our first sensor.
If you’re an investor, researcher, or partner who shares this vision, we’d love to hear from you.
Get in touchWe’re hiring!
We’re looking for chemists and biosensor engineers. Reach out at hello@niarahealth.com.
Contact us
Let’s talk.
Whether you’re an investor, researcher, clinician, or someone who shares our vision for women’s hormone health, we’d love to hear from you.