NT screening (nuchal translucency screening) correct answers specialized routine US performed
between week 11 and week 13 of pregnancy; prenatal screening showing statistical likelihood of
chromosomal disorder
combined with blood test to offer more insight into relative odds of baby being born with genetic
disorder
CST (contraction stress test) correct answers test that records the response of teh FHR to stress
induced by uterine contractions
may be done if NST findings are nonreactive
-semi fowlers
-EFM
-oxytocin (IV mainline and oxytocin IVPB)
-nipple stimulation (oxytocin posterior pituitary)
-3 contractions in 10 minutes correct answers what is the procedure for CST?
negative correct answers CST result: no late decelerations
positive correct answers CST result: late decelerations are present with a minimum of 50% of the
contractions
equivocal-suspicious correct answers CST result: Intermittent late decelerations or significant
variable decelerations•
equivocal correct answers CST result: FHR decelerations in the presence of contractions more
frequent than every 2 minutes or lasting longer than 90 seconds
unsatisfactory correct answers CST result: Fewer than three contractions in 10 minutes or a
tracing that cannot be interpreted
negative CST correct answers consistently associated with fetal well-being and may be repeated
in one week
positive CST correct answers linked to an increased incidence of fetal growth restriction, late
decelerations during labor, meconium stained fluid, low five minute Apgar scores, and stillbirth.
biophysical profile and CST correct answers 2 ways to assess fetal well being
-FHR (acute)
-fetal movement (acute)
-fetal tone (acute)
-fetal breathing movement (acute)