To calculate gestational age from fetal age, add ________ days to conceptual age
FEC (free extra credit)
fetal, embryologic, fetal age
GM (good morning)
gestational, menstrual correct answers 14 days
Measurements of first trimester pregnancies retaken between _____ and ______ weeks. correct
answers 5-12 weeks
Starting at 13 weeks gestational age, we begin to use biometrics measurements to determine
gestational age and assess fetal growth. What 4 measurements do we take? correct answers BPD,
HC, AC, FL
BPD stands for correct answers bi-parital diameter
Landmarks necessary for the BPD measurement. correct answers -transverse (axial) section of
the head
-thalamus
-cavum septum pellucidum
-falx cerebri
-anterior horns of lateral ventricles
What is our guide when measuring the BPD correct answers the skull bones
We measure the BPD from leading edge of the ___________ bone to leading edge of opposite
___________ bone.
Therefore, __________ edge to __________ edge. correct answers parietal, parietal
outer, inner
When measuring the BPD use the falx as cross sectional measurement.
At the same level we take the BPD we can also take _________ measurment. correct answers
HC (head circumference)
Some degree of compression of the fetal skull is common usually due to position or crowding w/
multiple pregnancies.