title: The ultrasonic boom.
mesh_terms: D001290:Attitude; D005260:Female; D005544:Forecasting; D005831:Genital Diseases, Female / Q000175:diagnosis; D006801:Humans; D013677:Medical Laboratory Science; D011247:Pregnancy; D011296:Prenatal Diagnosis; D014465:Ultrasonics; D014463:Ultrasonography