Ava Fertility Bracelet No broken clasp! Basically brand new - I wore it maybe ten times. I used it for one month and then got pregnant! 😂🥰 👉🏼 Make me an offer! 👈🏼 Original box and charger NOT included! But this bracelet works perfectly - download the app, sync, and you are ready to go! // Wear it at night and sync to the app in the morning for personalized insights. Ava is adjustable and suitable for a wide range of wrist sizes Minimum: 12.5 cm / 4.9 in Maximum: 20.5 cm / 8.1 in Designed in Switzerland, manufactured in Europe Biocompatible materials FDA cleared and CE certified Ava works with the Ava app for iOS and Android Ava is not a contraceptive and cannot be used to prevent pregnancy Not for pacemaker wearers The Ava app Fertility Tracking: detect your 5-day fertile window in real-time and  double your chances of getting pregnant.* Cycle Tracking: keep tabs on the physical experiences associated with your cycle. Pregnancy Tracking: gain insight about your body as it develops and receive week-by-week updates on what to expect. Generate a comprehensive report of your last 12-recorded cycles for personal or medical use. Wake up peacefully with the bracelet’s vibrating alarm. Is Ava Fertility right for me? To use Ava Fertility you must: Want to conceive Have a cycle length within the range of 24 to 35 days Not have an implanted electronic device (e.g. a pacemaker)