The application scope of ultrasonic technology in obstetrics are（）
A: prenatal diagnosis of fetal malformations
B: genetic ultrasound
C: intrauterine management of high-risk pregnancy
D: interventional ultrasound and intrauterine therapy
A: prenatal diagnosis of fetal malformations
B: genetic ultrasound
C: intrauterine management of high-risk pregnancy
D: interventional ultrasound and intrauterine therapy
举一反三
- Ultrasound diagnostic technology has been applied in obstetrics for<br/>more than 50 years.(<br/>)
- Focused ultrasound knife uses high-intensity focused ultrasound, that is, high energy ultrasound.
- The frequency of ultrasound used for medical diagnosis is about A: 2-20Hz B: 2-20KHz C: 2-20MHz
- Prenatal ultrasound is usually performed for five times. They are<br/>( ). A: ultrasonography during early pregnancy (6-8 weeks pregnant) B: ultrasonography at 11-14 weeks pregnant C: ultrasonography at 20-24 weeks pregnant D: ultrasonography at 28-32 weeks pregnant, preclinical ultrasonography
- To ensure delivering a healthy fetus, the more prenatal ultrasound<br/>examinations pregnant woman has, the better.(<br/>)