Vocab Week 4 Flashcards
Overgrowth
Increase in the size of a body part (or whole body)
AFP
Alpha fetoprotein
A plasma protein produced by the fetus during preganancy
High AFP indicates risk for
Neural tube defects
Low AFP indicates risk for
Trisomy 21 and 18
hCG
Human chorionic gonadotropin
A hormone produced by the plancenta
High hCG indicates risk for
Trisomy 21
Low levels of hCG indicate risk for
Trisomy 18
UE3
Unconjugated estriol
Form of estrogen that is produced by the fetus during pregnany
Low levels of UE3 indicate risk for
Trisomy 18 and 21
Inhibin A
A hormone made by the placenta during pregnancy
High levels of inhibin A can indicate risk for
Trisomy 21
Low levels of inhibin A can indicate risk for
Trisomy 18
PAPP-A
Pregnancy associated plasma protein-A
Can be used to screen for chromosomal abnormalities
The Harmony test
NIPT
Uses cell free fetal DNA to screen for chromosome abnormalities as early as 10 weeks
MaterniT21 Plus
NIPT
Can screen for chromosome abnormalities and fetal sex as early as 10 weeks
FfDNA
Cell free fetal DNA
Crosses the placenta and circulates freely in moms blood
Used in NIPT
Amniocentesis
Small amount of amniotic fluid is samples
Occurs between 15-20 weeks pregnancy
Diagnostic test for chromosome abnormalities
CVS
Sample a small amount of the placenta
Occurs between 10-13 weeks gestation
Diagnostic test for chromosomal abnormalities
PUBS
Percutaneous umbilical blood sampling
Test for certain blood conditions, infections, chromosome abnormalities
Sonography
An imaging method that uses high frequency sound waves to produce images of structures in your body
Anatomy scan
An ultrasound of the fetus to assess if the baby is developing normally
Occurs between 18-20 weeks gestation
Targeted sonogram
A follow up of an abnormal finding on a sonogram that needs further evaluation
G.A
Gestational age
Double bubble sign
A dilated fluid-filled stomach and duodenal bulb
A sign of duodenal atresia or WEB
