Genetic Screening Flashcards
1
Q
What is screened for in the 1st trimester screening?
A
Assess the risk for T21, T18, T13
hCG and PAPP-A
nuchal translucency- (10-14 weeks)
2
Q
What does nuchal translucency tell you?
A
Likelihood for Downs syndrome
3
Q
What is the purpose of Chorionic Villus sampling and amniocentesis?
A
Screening tests for triploidy
4
Q
How can fetal blood be sampled?
A
Needle used to draw umbilical cord blood
5
Q
What screening is done in the 2nd trimester?
A
Anatomy Ultrasound (don't do 1st Tri Screening)
6
Q
What is included in the Quad Screen?
A
AFP
B-hCG
Estriol
Inhibin A
7
Q
What are indicators of genetic cancer risk?
A
Cancers in 1st degree relatives
Cancer at young age
Cancer in multiple generations
Many Cancers in one individual