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Philadelphia resident Carolyn Santamauro vividly remembers lying in bed at a Philadelphia hospital as she recovered from an emergency cesarean section, and finding out doctors had started her newborn on a morphine drip without telling her or her husband.

Santamauro was blunt about her response that day. “I lost my sh-t,” she said. “I didn’t know for 24 hours.”

Morphine is used to wean a baby off opioids when a mother has been using during pregnancy. But Santamauro