随着超声技术的普及,B 超在临床上应用日益广泛,特别是普遍用于妇产科的孕期检查,但也存在滥用的趋势,如很多各方面情况都正常的孕妇也迫切要求压生给予 B 超检查,有些正常孕妇整个孕期作了许多次 B 超检查,还有些人用 With the popularity of ultrasound technology, B-ultrasound is increasingly widely used in clinical practice, especially in pregnancy and gynecology commonly used in pregnancy check, but there are also abuse of the trend, such as many in all aspects of normal pregnant women are also urgently required pressure to give B-ultrasound, some normal pregnant women made many B-ultrasound during pregnancy, and some people use