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You and your partner are starting to talk about having your first—or, gasp, second—kid. But tracking your fertility on the calendar feels like a major chore. 

That’s where the Ava comes in. This FDA-approved ovulation-tracking bracelet detects the most fertile days during your menstrual cycle by collecting data (like your heart rate and skin temperature) that predicts the rise of baby-making hormones. Whoa. 

After that, the info gets zapped off to an app on your phone, then re-organized into a series of graphs that alert you to the days you’re most likely to conceive. (FYI, according to Ava’s own research, women have an average of five fertile days per month.)

Here’s the best part: You only have to wear the bracelet at night, which means you don’t have to worry about deflecting annoying questions from friends (or your prying mother-in-law) about the gadget on your wrist.

OK, so it costs $199 to buy. But that’s a small price to pay if you get a baby out of the deal, don’t you think?

RELATED: 8 Common Conception Myths Busted

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