Ava is the first and only FDA-cleared wearable tracking device that is clinically proven to identify both the opening and closing of the fertile window, letting you know your five best days to try for a baby.
Science says it’s time to get intimate
Unlike period-tracker apps that are frequently inaccurate1, LH tests that predict one or two days of fertility, or the temperature method that relies on retrospective measurements, Ava detects your five most fertile days as they’re taking place so you can properly time intercourse for the highest chances of pregnancy.
Women want a better understanding of their bodies. Ava provides it by conducting women’s health research, developing innovative products based on that research, and educating to ensure the findings are accessible to all women.
At work while you sleep
For consistent readings, the Ava sensor bracelet goes to work overnight while your body is at rest.
As it records your physiological parameters, it also tracks movement with a built-in accelerometer. This signal allows it to measure your sleep quantity (duration) and quality (percentage of combined deep and REM sleep).
The first fertility-tracking wearable on the market, Ava uses physiological parameters like temperature, resting pulse rate, and breathing rate to detect a woman’s fertile window. All you have to do is wear the intelligent FDA-approved bracelet on your wrist while sleeping and then sync it up with the companion app in the morning to see which are your five best days to try for a baby.
Skin Temperature
Decreases by about 0.2°C after menstruation before rising 0.4°C after ovulation, remaining elevated until your next period begins.
Resting Pulse Rate
Drops by about 1.5 beats during the follicular (pre-ovulation) phase, before increasing through the fertile window and peaking in the luteal (post-ovulation) phase.
Heart Rate Variability Ratio
Typically rises in the follicular phase and falls in the luteal phase. It’s an indicator of physiological stress, with a higher ratio suggesting the body is under greater duress.
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