Maria Diaz/ZDNET
One of the biggest concerns for new parents who choose to breastfeed is, how do I know if my baby is getting enough milk? Coro, a new device created by Coroflow, accurately monitors breast milk intake in real-time, down to the 0.01 milliliters -- the first product on the market to do so. Debuting at CES 2026, Coro won the official Best of CES award for parent tech at the show.
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Coro is a silicone nipple shield with a patented micro-flow meter that measures milk intake, which you can view in a free app. The app translates the data into insights on breast milk volume and feeding trends for each breast to help new parents better understand their baby's feeding patterns.
The nipple shield is as thin as a contact lens, similar to others breastfeeding people might use to protect the skin. As the milk flows through the shield, the amount is tracked live through the app.
Maria Diaz/ZDNET
Eighty-three percent of mothers in America start breastfeeding at birth, but by the time the baby is six months old, that number has dropped to 25% still exclusively breastfeeding, according to data from the US Centers for Disease Control and Prevention.
"One of the biggest reasons globally why women stop breastfeeding is because of the concern around low supply," Susie Benson, head of growth at Coroflo, told me at CES. "You can use this in the comfort of your own house, and it's not invasive. Currently, there is no other way on the market to actually quantify this."
Coroflow's co-founder Helen Barry, a doctor, had a baby boy who was tiny at birth, and had to track his weight gain through weekly weigh-ins and stressful pre- and post-feed weight checks. She couldn't believe as a doctor that there wasn't a better way to track feedings. Her husband, an engineer with a background in flow-sensing technology, helped develop Coro to help provide parents with more clear and immediate data, Benson said.
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