An ultrasound diagnostic apparatus (1) includes an image memory (9), an operation unit (18), a measurement item designation receiving unit (15) for receiving a designation of a measurement item, a detection measurement algorithm setting unit (12) that sets a detection measurement algorithm, a frame designation receiving unit (17) that receives a designation of a frame to be used for the measurement among a plurality of frames in the image memory (9), a measurement position designation receiving unit (16) that receives a designation of a position of a measurement target on a first measurement frame received by the frame designation receiving unit (17), a measurement position setting unit (10) that sets the position of the measurement target on a frame other than the first measurement frame, a measurement unit (11) that detects the measurement target on the plurality of frames to calculate the measurement value, and a final measurement value calculation unit (13) that calculates a final measurement value.
