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Menstrual Cycle
Digital Tracking Study

Oura and Inception Fertility and its family of brands, including The Prelude Network™, are partnering in a research study to observe the physiological changes throughout the menstrual cycle using the Gen2 Oura Ring. The Oura Ring is a wearable device that combines advanced sensor technology with an easy-to-use mobile app to deliver precise, personalized health insights to the user.

Sign Up

Oura ring tilted forward

Menstrual Cycle Digital Tracking Study

Oura ring tilted forward

Oura and Inception Fertility and its family of brands, including The Prelude Network™, are partnering in a research study to observe the physiological changes throughout the menstrual cycle using the Oura Ring. The Oura Ring is a wearable device that combines advanced sensor technology with an easy-to-use mobile app to deliver precise, personalized health insights to the user.

Sign Up

Key Participation Requirements

Age Requirement
18–42 years old and has menstrual cycles


Time Commitment
Up to 6 months of data collecting using the Oura Ring


Travel Required
Approximately 10-15 visits to the clinic

Key Participation Requirements:

Age Requirement
18–42 years old and has menstrual cycles


Time Commitmentt
Up to 6 months of data collection using the Oura Ring


Travel Required
Approximately 10–15 visits to the clinic

During the study participants will:

Icon of the sun and moon cycling in a smartphone

Wear the Oura Ring consistently and sync data daily via smartphone app

Ovulation Predictor kit

Complete at-home monitoring with Ovulation Predictor Kit

Monitor displaying ultrasound

Complete transvaginal ultrasound monitoring at one of our participating clinics

An icon of a book

Provide information about your medical history, including sexual activity

Get started with our simple sign-up form

If you're interested in participating, please complete the online registration below and a Research Team Member will contact you within 3 business days.

Study participants will receive a Gen2 Oura Ring at no cost and may keep their Gen2 Oura Ring after the study concludes.

Oura ring rotated