| Term | Definition |
|
fetal activity |
provides reassurance of fetal well being |
|
ultrasound |
used to document following information: gestational sac early in pregnancy, fetal number, assessment of GA. survey for fetal anatomy, fetal presentations, placental location, amniotic fluid volume, evaluation of maternal pelvic masses. |
|
umbilical velocimetry |
non-invasive ultrasound test, assesses placental function, 16-18 weeks gestation, |
|
Nonstress test |
accelerations of fetal heart rate imply intact central and autonomic nervouse system that is not being affected by intrauterine hypoxia |
|
normal |
2 or more fetal heart rate acellerations within a 20 min period. FHR must be at least 15 bpm for 15 sec is considered a ____ NST |
|
FAST |
Used as adjunct to NST; generates a low frequency vibration and buzzing sound; intended to induce movement; non-invasive, easy to preform results readily avaialbe, time for NST is shortened. |
|
CST |
evaluates resp function of placenta, must have 3 contractions for atleast 40s duration in 10 min. |
|
negitive |
no late or significant variable decellerations |
|
positive |
late decellerations following 50% or more of contractions |
|
suspicious |
intermitant late decelleratins or significant variable decellerations |
|
hyperstimulatory |
fetal heart rate that occur in the presence of contractions more frequent than every 2 min or lasting longet than 90 sec |
|
unsatisfactory |
fewer than 3 contractions in 10 min or uninterpredictable tracing |
|
BPP |
assesses breathing movement, body movement, tone, amniotic fluid, FHR reactivity. score a 2 on each finding for a max score of 10. |
|
BPP |
is indicated when risk for placental insufficiency or fetal compromise |
|
hydramnios |
indicated by an AFI >20 |
|
oligohydramnios |
indicated by an AFI < 5 cm |
|
amniocentesis |
to assess fetal health, AFP, HCG, unconjugated estriol, genetic disorders, Down Syndrome, Trisomy 18, neural tube defects, and fetal lung maturity you need to do an |
|
chorionic Villi Sampling |
used to detect genetic, metabolic, and DNA abnormalities. Reflect fetal chromosome enzyme, adn DNA content. does not detect neural tube defects |
|
Chorionic Villi Sampling |
has the associated risk of spontaneous abortion, fetal limb reduction defects, failure to obtain tissue, rupture of membrean, leakage of amniotic fluid, bleeding, intrauterine infection, maternal tissue contamination of specimen, or mandibular defects, Rh isoimmunization |
|
Chorionic Villi Sampling |
benifits include detection of fetal kayotype, hemoglobinopathies, phenylketouria, alpha antitrypsin deficiency, down Syndrome, factor IX deficiency |
|
elevated |
if a newborn has a neural tube defect the AFP level will be |
|
PUBS |
also called cordocentesis; directly observes teh fetus and obtainng a sample of skin or blood. |
|
Fetal Fibranectin |
glycoprotein produced by the trophoblast and other fetal tissues. |
|
preterm delivery |
presence of cervicovaginal fetal fibronectin between 20 and 34 weeks gestation is a strong predictor of |
|
2:1 |
_:_ shoud be the L/S ratio |