Welcome 2017-09-18T11:43:42+00:00

Welcome to Ava

Get the iOS App
Get the Android app
Read the Manual

Set up your Ava

Attach the sensor pod to the bracelet

Attach the sensor pod to the bracelet by aligning front of the pod with the wrist side of the band and pressing it into the strap.

Charge & Pair Ava

Plug Ava in to charge. After you set up your account in the app, follow the instructions on the screen to pair.

Sync Ava every morning

When you wake up in the morning, take off the bracelet and connect it to the USB cable. Open the Ava app and syncing should begin automatically.

Be consistent

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Ava is most accurate when you wear it every night, and sync it every morning.

For cycle tracking, always add your period

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If you’re not pregnant, it’s important to enter your period into the app every month for accurate results.

Wear Ava on the same wrist

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Wear Ava snugly on the same wrist each night.

What Ava measures

How often your heart beats per minute at rest.

Scientific literature shows that resting pulse rate is lower during the follicular phase than the luteal phase. Ava’s clinical research partner, the University Hospital of Zurich, identified further variation in resting pulse rate throughout the menstrual cycle: resting pulse rate rose by about three beats per minute at the beginning of the fertile window.

During pregnancy, resting pulse rate remains elevated.

Typical resting pulse rates are between 40 and 80 bpm. If you are very physically active, your resting pulse rate may be even lower than 40 bpm. Stress, illness, and alcohol can cause temporary increases in resting pulse rate.

The temperature of your skin at your wrist.

Skin temperature is one of the parameters Ava uses to identify your fertile window. It rises by about one half of a degree after ovulation, and remains elevated until your next period begins. During pregnancy, temperature remains elevated. If you’ve ever tracked your basal body temperature orally, you’ll notice that Ava’s temperature reading is several degrees lower than your oral temperature. It’s normal for skin temperature to be lower than oral temperature, but we found that it exhibits the typical biphasic pattern during the cycle.

If you’ve ever tracked your basal body temperature orally, you’ll notice that Ava’s temperature reading is several degrees lower than your oral temperature. It’s normal for skin temperature to be lower and more variable than oral temperature.

Average skin temperature readings (when taken at a room temperature of 64.5 – 77 degrees Fahrenheit) are between 90.5 – 98.2 degrees Fahrenheit.

For Celsius:

Average skin temperature readings (when taken at a room temperature of 18 – 25 degrees Celsius) are between 32.5 – 36.8 degrees Celsius.

The lower your HRV ratio, the less stressed you are.

HRV is the variation in the time interval from one heartbeat to the next. It can be used as an indicator of physiological stress: when there is a lot of variation in the time interval between heartbeats—high HRV—it means you are more resilient and less stressed. Ava measures the ratio between low frequency and high frequency waves in your heart rate. Because Ava measures HRV using this ratio, a lower number means you are less stressed.

Normal HRV ratio varies widely from person to person, but by looking for an increase or decrease from your baseline HRV ratio, you can learn about your body’s physiological stress level.

Total sleep hours and ratio of light to deep + REM sleep.

The quality and quantity of sleep you’re getting each night are important parameters to track for your fertility. Your menstrual cycle can affect your sleep, and your sleep, in turn, can affect your menstrual cycle. Pregnancy can also influence sleep.

Ava tracks the amount of sleep you get each night. This doesn’t count time you might spend reading in bed; Ava can distinguish between sleeping and lying quietly. Ava also tracks the percentage of light sleep and the percentage of combined deep and REM sleep.

Typical sleep cycles for adults are 50 – 65 percent light sleep and 35 – 50 percent deep sleep + REM.

You need at least four hours of consecutive sleep in order for Ava to work properly.

Ava measures the physiological changes that happen when your body is completely at rest. It takes at least four hours for these parameters to stabilize and for Ava to get an accurate reading. If Ava recorded less than four hours of sleep, it won’t use the data from that night in calculating your fertility.

If you wore Ava for more than four hours but are still seeing “data quality poor,” it could mean the battery died during the night or that the sensors lost contact to your skin. Make sure Ava is fully charged when you put it on. This is indicated by a green light on the top of the bracelet.

The process of supplying blood to the tissues of your body.

As blood flows through your capillaries, it delivers nutrients to the tissues and helps sweep away waste. Then, the blood flows back to the heart, and begins the process all over again.

If you’ve ever had an elastic band around your finger and felt the blood flow being cut off, you’re already familiar with the process of perfusion. While you can limit perfusion with an elastic band, perfusion can also change naturally for different reasons. For example, your perfusion changes in order to keep you warm or cool you down. Perfusion also changes in relation to the menstrual cycle: it is higher in the fertile days and lower during the luteal phase.

Rate of respiration per minute.

Ava tracks your movement with an accelerometer.

This parameter allows Ava to distinguish between light and deep + REM sleep.

Heat loss is closely related to the onset of sleep.

As you lose heat through your hands and feet, your skin temperature increases and your core body temperature decreases.

Heat loss is also related to your metabolic rate. The mechanism for the maintenance of the higher temperature during the luteal phase is still a matter of scientific discussion. Some researchers believe that reduced heat loss is responsible, while others believe that higher internal heat production (increased metabolic rate) is the cause.

Bioimpedance measures the resistance of body tissue to tiny electric voltages.

This parameter provides information about the skin, including hydration and sweating patterns. As you have probably observed throughout your life, reproductive hormones have an impact on your skin. Your skin can change at different phases of the menstrual cycle, during puberty, and during pregnancy.

Questions or feedback?

Got questions, concerns, or just want to talk? We’re here for you. Email support@avawomen.com.

Start wearing Ava as soon as you receive it, no matter where you are in your cycle.

If you first start wearing Ava in a cycle where you haven’t yet ovulated (if you’re still in your follicular phase), then Ava will start working immediately to detect your fertile window in real time.

If you first start wearing Ava in a cycle where you have already ovulated (if you’re in your luteal phase), then Ava will use the date of your last period to estimate when your last fertile window occurred. As soon as you enter the date of your next period, Ava will begin detecting your next fertile window using the physiological data it gathers.

Over time, Ava learns your cycle and predicts the date that you’ll start your period. But occasionally, your period will come late or early. If Ava predicts the wrong day for your period, click on the teardrop-shaped period icon in the bottom right hand corner of the screen and de-select the flow level.

Please note that you cannot remove period dates from the future.

Prediction quality decreases with each day you don’t wear Ava. For the most accurate results, wear Ava every night.
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Jade & Tanner Got Pregnant with Ava!

Thank you everyone for all the support and for sharing your stories since we announced our pregnancy on Wednesday! We are so excited! For those of you who have been following us for a while, you may have seen our past post back in November about using the @avawomen bracelet to help us get pregnant faster. We got pregnant really soon after we started using Ava! I wore the bracelet every night while sleeping and Ava told us which five days were the best days to try for a baby each month. It took so much stress out of the process and was so easy to use. Since so many of you have kindly opened your hearts to me and have shared your stories about trying to get pregnant, I wanted to share what worked for us. Also, I've partnered with Ava to get you all a $20 off coupon code: JANNERBABY I'll be using Ava for all our future pregnancies and cycle tracking between babies. Thank you, Ava.

Mamiblock Got Pregnant with Ava!

@Mamiblock​ benutzt nun auch Ava! Hier ein kleiner Ausschnitt aus Julias Beitrag auf Youtube in dem sie erklärt, wie Ava funktioniert! Wir sind gespannt, wie es weiter geht mit Ava und Julia! Einen erholsamen Samstag Euch allen!