Twenty women underwent ultrasound examination three times during low-risk pregnancy. Before and after ultrasonography, the Symptom Questionnaire was applied to evaluate changes in psychological distress. Anxiety, depression, somatic symptoms, and hostility significantly decreased after the patients received video and verbal feedback during the first ultrasound examination. Such changes were consistently observed also during the subsequent two examinations.
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Michelacci et al. (2010) studied this question.
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