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ISPN考试复习一日一练(319)

发表日期:2017-07-06 | 来源 :国际护士网 | 作者 :www.the-nurses.com |点击数: 次 收听:
 

  During a prenatal visit at 4 months’ gestation, a pregnant client asks whether tests can be done to identify fetal abnormalities. Between 18 and 40 weeks’ gestation, which procedure is used to detect fetal anomalies?

  A. Amniocentesis

  B. Chorionic villi sampling

  C. Fetoscopy

  D. Ultrasound

  fetoscopyn. 胎儿镜检查

  答案:D.

  Ultrasound is used between 18 and 40 weeks’ gestation to identify normal fetal growth and detect fetal anomalies and other problems. Amniocentesis is done during the third trimester to determine fetal lung maturity. Chorionic villi sampling is performed at 8 to 12 weeks’ gestation to detect genetic disease. Fetoscopy is done at approximately 18 weeks’ gestation to observe the fetus directly and obtain a skin or blood sample.

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