Fetal Growth Assessment by Ultrasound(Correctly
solved)
What 2 measurements are performed during the 1st trimester? correct answersmean sac diameter
(MSD), crown rump length (CRL)
What is the most accurate measurement of gestational age (GA) throughout the entire
pregnancy? correct answerscrown rump length (CRL)
Mean sac diameter (MSD) should be taken between ___-___ weeks. correct answers4-5
Crown rump length (CRL) should be taken between ___-____ weeks. correct answers6-11
Biparietal diameter (BPD) should be taken between ___-___ weeks. correct answers11-40
Biparietal diameter (BPD) may be inaccurate if the head is narrow or round, with a cephalic
index (CI) between ___-___. correct answers75-85
The cephalic index (CI) is calculated by dividing the _____ by the _____. correct
answersbiparietal diameter (BPD), occipitofrontal diameter (OFD)
Head circumference should be measured between ___-___ weeks and is not affected by _____
_____. correct answers11-40, head shape
The transcerebellar diameter can be obtains up to 32 weeks, but is the most accurate between
___-___ weeks. correct answers14-20
The transcerebellar diameter (TCD) is roughly equivalent to ___ mm per week of gestational age
(GA). correct answers1
The abdominal circumference should be measured between ___-___ weeks. correct answers14-
40
Used to determine if the fetus is small or large for gestational age (GA). correct
answersestimated fetal weight (EFW)
A baby that is born prior to 38 menstrual weeks, but after 20 weeks is considered to be _______.
correct answerspreterm
A baby that is born prior to 20 weeks is considered to be an _______. correct answersabortion
A baby that is born between 38 and 42 menstrual weeks is considered to be to ______. correct
answersterm
, A baby that is born later than 42 weeks is considered to be _____ _____. correct answerspost
term
When the fetal size or weight is at or below the 10th percentile for gestational age (GA). correct
answerssmall for gestational age (SGA)
A minority of small for gestational age (SGA) fetuses are due to pathologic reasons like ______
______ _____. correct answersintrauterine growth restriction (IUGR)
A fetal weight at or below 10% for a given gestational age (GA), best described as a decreased
rate of fetal growth. correct answersintrauterine growth restriction (IUGR)
Some fetal causes for intrauterine growth restriction (IUGR) are: ________ abnormalities,
________ malformations and syndromes, fetal ________, and _______ ______. correct
answerschromosomal, congenital, infections, multiple gestations
Term used to describe inadequate nutrient and oxygen delivery to the fetus from the placenta.
correct answersplacental insufficiency
Clinical signs of intrauterine growth restriction (IUGR): decreased ________ _______ and
______ ______. correct answersfundal height, fetal motion
Key intrauterine growth restriction (IUGR) sonographic markers: grade ____ placenta before
_____ weeks or ________ placental thickness. correct answers3, 36, decreased
Maternal risk factors for intrauterine growth restriction (IUGR) are ______ related (ex: smoking,
alcoholism, poor nutrition, etc.) or due to chronic maternal _______ conditions that affect
systemic oxygenation or uteroplacental circulation (ex: chronic hypertension, diabetes, etc.).
correct answersbehavior, medical
Some ________ risk factors for intrauterine growth restriction (IUGR) are placental abruption,
twin-twin transfusion syndrome (TTTS), post mature pregnancy, etc. correct answersplacental
A classification of intrauterine growth restriction (IUGR) that is usually the result of a 1st
trimester insult and results in a fetus that is proportionally small throughout pregnancy. correct
answerssymmetric intrauterine growth restriction (IUGR)
Symmetric intrauterine growth restriction (IUGR) is a reduction in growth velocity of both the
fetal _____ ______ and ______ _____. correct answershead circumference (HC), abdominal
circumference (AC)
A classification of intrauterine growth restriction (IUGR) that begins late in the 2nd or 3rd
trimester and results from placental insufficiency; the abdomen is disproportionally smaller for
gestational age (GA) than the head and extremities. correct answersasymmetric intrauterine
growth restriction (IUGR)
solved)
What 2 measurements are performed during the 1st trimester? correct answersmean sac diameter
(MSD), crown rump length (CRL)
What is the most accurate measurement of gestational age (GA) throughout the entire
pregnancy? correct answerscrown rump length (CRL)
Mean sac diameter (MSD) should be taken between ___-___ weeks. correct answers4-5
Crown rump length (CRL) should be taken between ___-____ weeks. correct answers6-11
Biparietal diameter (BPD) should be taken between ___-___ weeks. correct answers11-40
Biparietal diameter (BPD) may be inaccurate if the head is narrow or round, with a cephalic
index (CI) between ___-___. correct answers75-85
The cephalic index (CI) is calculated by dividing the _____ by the _____. correct
answersbiparietal diameter (BPD), occipitofrontal diameter (OFD)
Head circumference should be measured between ___-___ weeks and is not affected by _____
_____. correct answers11-40, head shape
The transcerebellar diameter can be obtains up to 32 weeks, but is the most accurate between
___-___ weeks. correct answers14-20
The transcerebellar diameter (TCD) is roughly equivalent to ___ mm per week of gestational age
(GA). correct answers1
The abdominal circumference should be measured between ___-___ weeks. correct answers14-
40
Used to determine if the fetus is small or large for gestational age (GA). correct
answersestimated fetal weight (EFW)
A baby that is born prior to 38 menstrual weeks, but after 20 weeks is considered to be _______.
correct answerspreterm
A baby that is born prior to 20 weeks is considered to be an _______. correct answersabortion
A baby that is born between 38 and 42 menstrual weeks is considered to be to ______. correct
answersterm
, A baby that is born later than 42 weeks is considered to be _____ _____. correct answerspost
term
When the fetal size or weight is at or below the 10th percentile for gestational age (GA). correct
answerssmall for gestational age (SGA)
A minority of small for gestational age (SGA) fetuses are due to pathologic reasons like ______
______ _____. correct answersintrauterine growth restriction (IUGR)
A fetal weight at or below 10% for a given gestational age (GA), best described as a decreased
rate of fetal growth. correct answersintrauterine growth restriction (IUGR)
Some fetal causes for intrauterine growth restriction (IUGR) are: ________ abnormalities,
________ malformations and syndromes, fetal ________, and _______ ______. correct
answerschromosomal, congenital, infections, multiple gestations
Term used to describe inadequate nutrient and oxygen delivery to the fetus from the placenta.
correct answersplacental insufficiency
Clinical signs of intrauterine growth restriction (IUGR): decreased ________ _______ and
______ ______. correct answersfundal height, fetal motion
Key intrauterine growth restriction (IUGR) sonographic markers: grade ____ placenta before
_____ weeks or ________ placental thickness. correct answers3, 36, decreased
Maternal risk factors for intrauterine growth restriction (IUGR) are ______ related (ex: smoking,
alcoholism, poor nutrition, etc.) or due to chronic maternal _______ conditions that affect
systemic oxygenation or uteroplacental circulation (ex: chronic hypertension, diabetes, etc.).
correct answersbehavior, medical
Some ________ risk factors for intrauterine growth restriction (IUGR) are placental abruption,
twin-twin transfusion syndrome (TTTS), post mature pregnancy, etc. correct answersplacental
A classification of intrauterine growth restriction (IUGR) that is usually the result of a 1st
trimester insult and results in a fetus that is proportionally small throughout pregnancy. correct
answerssymmetric intrauterine growth restriction (IUGR)
Symmetric intrauterine growth restriction (IUGR) is a reduction in growth velocity of both the
fetal _____ ______ and ______ _____. correct answershead circumference (HC), abdominal
circumference (AC)
A classification of intrauterine growth restriction (IUGR) that begins late in the 2nd or 3rd
trimester and results from placental insufficiency; the abdomen is disproportionally smaller for
gestational age (GA) than the head and extremities. correct answersasymmetric intrauterine
growth restriction (IUGR)
