This latest incident didn't happen on a plane, but at Washington Dulles international airport.
The new mom says she asked a United Airlines employee where she could go to pump breast milk. The woman was led to the pet relief area of the airport.
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She said there was no door and that there was a red fire hydrant in that area for dogs to urinate on.
The woman said she was also denied access to the United Club Area because she wasn't a member.
VIDEO: Mom says flight attendant scolded her for using breast pump in bathroom
This all comes on the heels of a separate incident involving American Airlines on a recent flight from Chicago to Phoenix.
The new mother failed to alert the flight attendants that she was going to be pumping, which all led to a confrontation, which was caught on the woman's iPad.
Both United and American said that new moms just need to give flight attendants a heads up if they need to pump while on a flight.