“If there’s ever a time in a person’s life when she wants to keep tabs on everything that’s going on with her body, it’s while she’s pregnant. Every inch added to her waistline, pound gained, heartbeat she hears, and kick she feels is something to be monitored and celebrated.

But even as the quantified self movement has become mainstream when it comes to counting steps and tracking calories, many expectant mothers still largely rely on their doctor appointments to chart out the progress of the lives growing inside of them.

Bellabeat, a startup in the current Winter 2014 class of Y Combinator, wants to help change that by providing a “connected system” that enables mothers to track their pregnancies on their own, while in between doctor visits. Today the startup is launching its first product, a $129 pocket-sized digital ultrasound tool that connects to a smartphone app to let women hear, record, and share their babies’ heartbeat.”

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