genetic screening Flashcards Preview

Ob Gyn > genetic screening > Flashcards

Flashcards in genetic screening Deck (9)
Loading flashcards...
1

purpose of prenatal screening

define the risk of a genetic disease in a low-risk population

2

assess the risk that a child will have a genetic disease

screening test

3

given if a screening test is positive, to assess whether the disease is present or absent

diagnostic test

4

when can nuchal translucency be seen?

10-14 weeks

5

what can be used to detect Down syndrome in 1st trimester

1. hCG
2. PAPP-A
2. nuchal translucency

6

how early can chorionic villus sampling be done?

as early as 10 weeks

7

which method of testing for down syndrome results in best sensitivity?

integrated screening

8

most important initial step in identifying a woman at risk for hereditary cancer

family history

9

BRCA 1/2 is assc'd with which cancers?

1. breast cancer
2. ovarian cancer