Module 1.2: Prenatal Diagnostic Tests

Question 1

Prenatal Diagnostic Tests

Answer 1

1. Ultrasound Sonography
2. Fetal MRI
3. Chorionic Villus Sampling
4. Amniocentesis
5. Maternal Blood Screening

Question 2

Ultrasound Sonography

Answer 2

+ High frequency sound waves are directed into the pregnant woman’s abdomen
+ No risk to the woman or fetus
+ Detect abnormalities, no. of fetuses, and sex

Question 3

Fetal MRI

Answer 3

uses powerful magnet and radio images to generate detailed images of the body’s organs and structures

Question 4

Chorionic Villus Sampling

Answer 4

+ Small sample of placenta is removed
+ Small risk of limb deformity

Question 5

Amniocentesis

Answer 5

sample of amniotic fluid is withdrawn and tested for chromosomal and metabolic disorders

Question 6

Maternal Blood Screening

Answer 6

identifies pregnancies that have an elevated risk for birth defects