Normal 2nd/3rd Trimester
Normal fetal heart rate (2nd/3rd trimester)
what is 120-160 bpm?
This is why CRL is unreliable later in pregnancy.
what is growth variation and fetal movement?
Vanishing twin syndrome vs. fetus papyraceus.
What is early loss of a twin in the first trimester that often gets reabsorbed by the body and late loss of twin that becomes compressed against the uterine wall?
These 3 things can falsely elongate the cervix while trying to do a cervical measurement.
What is Full bladder, pressure, fetal parts?
The findings of an abnormal yolk sac.
What is irregular, solid, and >6mm?
Railway track sign in sag/coronal
What is the spine appearance?
These four biometric measurements form the foundation of fetal growth assessment and estimated fetal weight calculations in late pregnancy.
What are BPD, HC, AC, and FL?
TRAP ultrasound findings.
The average volume of amniotic fluid at term.
What is 1000ml?
The measurement where cardiac activity must be seen.
what is CRL of 7mm?
Normal measurement for nuchal fold and cisterna magna.
what is <6mm and 5-6mm?
The 5 components of BPP (Biophysical profile).
What is AFI, movement, breathing, tone, NST?
TTTS donor twin and recipient twin fluid status.
What is oligohydramnios and polyhydramnios.
Placenta is low lying when within____ of the internal os.
what is 2cm?
Sonographic findings that suggest a blighted ovum.
What is large GS with no yolk sac or fetal pole?
Organ size that correlates with gestational age
what is the cerebellum?
The cause for symmetrical IUGR and asymmetrical IUGR.
What is early insult (chromosomal/infection) and placental insufficiency?
Pathophysiology of TTTS.
what is arteriovenous shunting of arterial blood from donor twin to recipient twin through the placenta? Arterial blood of one twin is pumped into the Venus system of the other twin.
Grade 3 placenta before 34 weeks suggests.
What is premature placental maturation?
abnormal outcomes are suspected for an embryo measuring between 5-9mm in CRL when the fetal heart rate is
What is 100 bpm?
In normal fetal situs (situs solitus), the cardiac apex should point this direction.
What is left side?
To calculate estimated fetal weight, the abdominal circumference is used together with these three biometric measurements.
What are HC, FL, and BPD?
pathophysiology of TRAP.
What is large venous to venous and arterial to arterial anastomosis. Pump twin supplies blood to itself and perfused twin?
these are the vessels in the umbilical cord.
What is 2 umbilical arteries and 1 umbilical vein?
Abnormal outcomes are suspected for an embryo measuring between 10-15mm in CRL when the fetal heart rate is
What is 110 bpm?