PROBLEM TO BE SOLVED: To provide an ultrasonic diagnostic device capable of easily grasping a correct direction of a fetus in the mothers body.SOLUTION: The ultrasonic diagnostic device includes an ultrasonic probe 1, an image processing part 5 which can generate an ultrasonic image with a position at which the ultrasonic probe 1 pressed as a center, a pattern storage part 11 for storing a pattern based on the shape of a portion in a fetus body which can specify the direction of the fetus, and a pattern recognition part 12 for specifying the direction of the fetus by collating the pattern with the ultrasonic image.COPYRIGHT: (C)2014,JPO&INPIT【課題】母体内における胎児の正確な向きを簡単に把握可能な超音波診断装置を提供する。【解決手段】超音波診断装置は、超音波プローブ1と、前記超音波プローブ1が押し当てられている位置を中心に超音波画像を生成可能な画像処理部5と、胎児の向きを特定可能な胎児体内の部位の形状に基づくパターンを記憶するパターン記憶部11と、前記超音波画像に対して前記パターンを照合させることで前記胎児の向きを特定するパターン認識部12と、を備える。【選択図】図1