Used by 100,000 People in the US! 'Ovulation Can Shift by Up to 10 Days' - The Device 'kegg' That Changes the Common Sense of Fertility Treatment Lands in Japan for the First Time
fermata Inc. is launching the Japanese expansion of 'kegg', a US Femtech fertility device that measures cervical mucus data. Crowdfunding starts on April 20, 2026.
📋 Article Processing Timeline
- 📰 Published: April 8, 2026 at 19:00
- 🔍 Collected: April 8, 2026 at 10:31
- 🤖 AI Analyzed: April 20, 2026 at 20:44 (298h 13m after Collected)
fermata Inc. (Headquarters: Taito-ku, Tokyo, CEO: Amina Sugimoto, hereinafter 'our company') is beginning the Japanese rollout of 'kegg', a fertility support device developed by US Femtech company Lady Technologies Inc. (hereinafter 'LT Inc.').
This product is a device that visualizes 'cervical mucus'—which until now has relied on subjective observation—as quantitative data. It is the first product in Japan to correspond to the newly established 2023 medical device category 'Home Cervical Mucus Analyzer' (General Medical Device Notification Number: 13B2X10428006001).
It is already used by approximately 100,000 women and couples in the United States and is spreading as a new means of understanding one's body in daily life.
Sales will commence for 60 days starting Monday, April 20, 2026, on the crowdfunding platform 'Green Funding'.
■ Product Features
'kegg' is a fertility support device that measures changes in cervical mucus by inserting it into the vagina for just about 90 seconds a day, grasping the body's transition toward ovulation and the fertile window.
It utilizes Electrochemical Impedance Spectroscopy (EIS) for measurement, and the acquired data is visualized through a dedicated smartphone application.
It makes it possible to continuously track bodily changes amidst your daily routine.
■ Fertility Tracking Used to Be a Choice Between 'Clinical Medicine' or 'Guesswork'
The day of ovulation can shift by a maximum of about 10 days. In other words, many fertility efforts might be proceeding without knowing the precise timing.
Until now, fertility tracking was generally... (truncated in source text).
This product is a device that visualizes 'cervical mucus'—which until now has relied on subjective observation—as quantitative data. It is the first product in Japan to correspond to the newly established 2023 medical device category 'Home Cervical Mucus Analyzer' (General Medical Device Notification Number: 13B2X10428006001).
It is already used by approximately 100,000 women and couples in the United States and is spreading as a new means of understanding one's body in daily life.
Sales will commence for 60 days starting Monday, April 20, 2026, on the crowdfunding platform 'Green Funding'.
■ Product Features
'kegg' is a fertility support device that measures changes in cervical mucus by inserting it into the vagina for just about 90 seconds a day, grasping the body's transition toward ovulation and the fertile window.
It utilizes Electrochemical Impedance Spectroscopy (EIS) for measurement, and the acquired data is visualized through a dedicated smartphone application.
It makes it possible to continuously track bodily changes amidst your daily routine.
■ Fertility Tracking Used to Be a Choice Between 'Clinical Medicine' or 'Guesswork'
The day of ovulation can shift by a maximum of about 10 days. In other words, many fertility efforts might be proceeding without knowing the precise timing.
Until now, fertility tracking was generally... (truncated in source text).