Ava Fertility is a cycle tracking bracelet that helps increase the chances of pregnancy with its clinically proven method. It is FDA-cleared and CE-certified, and is reimbursed by thousands of companies. The Ava bracelet collects physiological data while you sleep and syncs with the app in the morning to show you your results. With Ava Fertility, you can detect your 5 most fertile days with 90% accuracy, track temperature, resting pulse rate, sleep, and HRV ratio, gain insights about your menstrual cycle, and discover patterns in your health over time with charts, graphs, and trend analysis. The app also provides information about changes in your body during pregnancy.

However, it's important to note that the app must be used with the Ava bracelet, and that to use Ava Fertility you must have a cycle length between 24 and 35 days. If you're interested in using Ava Fertility, you can order your Ava bracelet on the official website.