Heart
Echogenic foci in the heart is a soft marker for which anomaly?
T21
How do you measure lateral ventricles? What type of measurement and at what level?
Posterior, at choroid plexus, AP measurement-inner to inner
What trimester is PAPPA performed?
1st trimester
Most common cause of bleeding in the 1st trimester
Subchorionic hemorr.
Chorionic villus sampling is done when?
10-14 weeks
Most common solid intracardiac tumor
rhabdomyoma
Do you measure anterior or posterior femur?
Anterior
What makes up the quad screen?
HCG, Estriol, Inhibin A, AFP
At what gestational sac measurement should you see a fetal pole by transabdominal ultrasound?
25mm
Caused by a pair of defective genes (one from each parent) is autosomal _______
recessive
Most common congenital heart defect
VSD
<10mm
True or false- HCG is elevated with trophoblastic disease
true
no sign of viable embryo and early
developing placenta exhibits multiple abnormal
trophoblastic changes is called
gestational trophoblastic disease/molar
Which trisomy is described?
Holoprosencephaly, heart defects, omphalocele, renal anomalies, meningomyelocele
13
atrial septal defects are difficult to diagnose in utero because of
foramen of ovale
In the AC, do you include skin?
YES
AFP will be decreased with
wrong dates
Most common site for ectopic
fallopian tube
__________ (45 X) is genetic abnormality
marked by the absence of X or Y chromosome
Turner's syndrome
Combo of VSD, Pulmonary stenosis, overriding aorta and right ventricular hypotrophy
For abnormal growth, how many standard deviations does it have to fall behind?
2
Complete or partial absence of cranium is called
Acrania
Result of complete extra set of chromosomes, often two sperms fertilizing one egg
triploidy