Ch.10 Assessment of high risk pregnancy Flashcards
T/F a count fewer than three fetal movements within 1hr warrants further evaluation by a nonstress test or contraction test
True
Fetal heart activity can be demonstrated by wk _______ of gestation using transvaginal ultrasound
6wk
What does it mean when IUGR is symmetric
Fetus is small around all parameters
What does it mean when IUGR is assymetric
Head and body growth do not match
What are the common causes of Symmetric IUGR
Infection
undernutrition
Heavy smoking
chrosomal anomaly
What are the common causes of Asymetrix IUGR
Placental insufficiency
Doppler blood flow is a helpful tool in management of pregnancies at risk of
Hypertension Diabetes mellitus IUGR Multiple fetuses Preterm labor
Oligohydramnios is associated with
Congenital anomalies
Renal problems
Growth retraction
Polyhydramnios is associated with
Neural tubal defects
What is the BPP used to assess
It includes the AFV, fetal movements
What is the indication for use in amniocentesis
genetic concerns
Fetal maturity (lung maturity)
Fetal hemolytic disease
When is a BPP performed
Third trimester
When is a Amniocentesis performed
After 14wk
When is a MSAFP performed
wk 15- wk 22
T/F MSAFP is a screening tool only and identifies candidates for the more definitive procedures of amniocentesis and ultrasound examination
True
What is the MSAFP used to screen for
NTD, recommended for all pregnant women
A CST is considered _____ when at least 3 contractions in a 10min period with no late decelerations are present
Negative
A CST is considered ______ when late decelerations occur with 50% more of contractions
Positive
The desired CST result is ___ and is associated with good fetal outocmes
Negative
T/F For NST; women can drink orange juice or be given glucose to increase her blood sugar level thereby stimulate movements
True
With regards to the NST a _____ test requires further evaluation
Nonreactive
A reactive nonstress test shows
Two accelerations in 20min period each lasting 15sec
A nonreactive nonstress test shows
Does not demonstrate 2 qualifying accelerations w/in 20min period
What are some of the contraindications of CST
Preterm labor Placentae previa Casa previa Multiples classic incision
What is the normal biophysical score ranges
8-10points
T/F Scores less than 4 should be investigated and delivery could be initiated sooner than planned
True
What is the multiple marker screen used for
Predict chromosomal abnormalities in the fetus
When can CVS be performed
1st/2nd trimester ideally between 10-13wk
