Labs
This lab dramatically elevates when there is a molar pregnancy
HCG
The bowel will herniate from the embronic abdomen at ___ weeks and return by ___ weeks.
8 weeks
12 weeks
The fetal kidneys start functioning at __ weeks.
16
Potter's Syndrome is best known for ___ and will have what level of amniotic fluid?
renal agenesis
oligohydramnios
name the 3 types of cord inserts
Marginal/Battledore, Normal, vellamentous
Anencephaly would create an elevated ___ (lab).
AFP
The fetal heart starts beating by how many days?
35
AC
fetal skull and femur will typically be spared because it is bone vs. soft tissue or weight gain.
Beckwith-Weideman Syndrome is best known for what kind of facial anomaly and will have what level of fluid?
polyhydramnios
Describe an abnormal Cord Doppler
increased systole, loss of diastole, reversal of flow
These 4 labs make up the quad screen
estriol
afp
hcg
Inhibin A
A ____ burrows itself into the endometrial lining.
blastocyst
The BPP consists of which 4 sonographic components
breathing
movement
tone
AFI
Name 6 sonographic findings of Trisomy 21
missing nasal bone, EIF, Choroid Plexus Cyst, echogenic bowel, shortenend stature, appearance of clenched fist, splayed big toe, thickened NT, duodenal atresia, 2vc
Name the types of previa
low lying, marginal, complete, vasa
This lab will determine gender in the 1st trimester
PAPPA
The rings of hyperechoic areas around the early gestational sac are called the what?
double decidual reaction
The range for a normal AFI is
10-20cm
What syndrome is missing abdominal wall muscles
prune belly
The name of a malignancy in the placenta is
choriocarcinoma
This lab creates pregnancy symptoms.
HCG
the first structure identified in the gestational sac is the ___
what do we call widening of the internal os of the cervix
funneling
Holoprocencephaly is associated with which syndrome
Trisomy 13 (Patau's)
What causes a false knot in an umbilical cord
where the vessels inside are longer than the outer covering