Ansah-Addo a Ghanaian practicing in the USA made himself available when the pilot called for assistance of medical personnel on board.
The flight had been in the air for approximately six hours before the woman went into labor, CNN reported.
A passenger on board the plane, Tiani Warren, told CNN she saw the mother give birth on the floor of the cabin in a space near the emergency exits.
Stephen Ansah-Addo, a dermatology resident at the University of Michigan, was on the flight and heard the overhead call for help.
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