6: Test Components

Question 1

What test?

US evaluation of the thickness of fetal nuchal fold.

Answer 1

Nuchal Translucency

Question 2

What test?

Withdrawal of fluid from the uterine cavity using a needle via transabdominal approach.

Answer 2

Amniocentesis

Question 3

What test?
1st trimester combined test + alpha fetoprotein, estriol, hCG, and inhibin A. Most accurate with lowest screen-positive rate.

Answer 3

Full Integrated Test

Question 4

What test?

Examination of cell-free fetal DNA within maternal blood.

Answer 4

Noninvasive Prenatal Testing

Question 5

What test?

Small amounts of placenta obtained for DNA analysis. Transcervical or transabdominal.

Answer 5

Chorionic Villis Sampling (CVS)

Question 6

What test?

Full integrated test – nuchal translucency. Option for clients without access to nuchal translucency measurements.

Answer 6

Serum Integrated Test

Question 7

What test?

US of fetus, umbilical cord, and placenta and measurement of amniotic fluid levels.

Answer 7

Anatomy Ultrasound

Question 8

What test?

Nuchal translucency, gestational age (crown-rump length), maternal serum markers (PAPP-A and free or total beta-hCG.

Answer 8

1st Trimester Combined Test

Question 9

What test?
Determination of 2 hormone levels and comparison with norms. Pregnancy-associated plasma protein (PAPP-A) and free or total beta-HcG.

Answer 9

Maternal Serum Screening

Question 10

What test?

Serum screen of various markers from maternal blood. MsAFP, uE2, inhibin A.

Answer 10

Quad Screen