The world's first in-ear ovulation predictor.

You know, with YONO

YONO, the world's first in-ear ovulation predictor.

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Non-invasive, easy, accurate.

In the past, women concerned about their fertility window had to go through a complicated process of data collection. With YONO, women have the option of letting technology do the work and gaining much more insight. YONO is an easy to use, comfortable silicone-encased earpiece which is worn all night. Hundreds of data points are collected during sleep, then the data syncs when the earbud is stored in the base station the next morning. The YONO app uses machine learning algorithms to plot a monthly fertility chart for future fertility prediction. YONO is fertility intelligence in your ear.