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DMS333-SP4
USIDMS 2/3 Trimester Measurements, Placenta & Cord, IUGR, AFI
Question | Answer |
---|---|
What is considered the "normal" range for AFI? | 2-20 cm |
PROM | Premature rupture of membranes |
Amniotic fluid is produced by | fetal lungs, skin, kidneys, cord membranes |
DRIPP | Conditions associated with oligohydramnios: Demise, renal abnnormalities, IUGR, PROM, post dates |
What is another name for asymmetrical IUGR? | "Brain sparing" |
75% of IUGR cases are | Asymmetrical |
List the 6 possible fetal presentations | Cephalic, complete breech(bottom presenting w/ both knees bent), frank breech (bottom down, both feet up by head), incomplete breech (bottom down, one foot up, one foot down), footling (feet presenting), transverse (sideways) |
Outer-to-inner diameter measurement of fetal skull at level of thalamus | BPD (biparietal diameter) |
What is the term for a cord wrapped around the fetal neck (occurs in 25% of deliveries)? | Nuchal cord |
A placental thickness measurement of __ cm or more is condidered enlarged | 5 cm |
Which portion of the placenta is the first area to mature and see signs of aging? | Fetal portion / chorionic plate (calcifications) |
This normal occurance may mimic a placental accessory lobe | Braxton Hicks contractions |
Painful vaginal bleeding during pregnancy may be indicative of | Abruptio placentae / placental abruption |
Mucoid connective tissue that surrounds the vessels within the umbilical cord | Wharton's Jelly |
Cord insertion in to the margin of the placenta is reffered to as | Battledore placenta |
What is the average length of the umbilical cord? | 55cm |
Complete absence of umbilical cord is known as | Limb-body wall complex, lethal anomaly |
What is a birth weight greater than 4000g or in the 90 percentile is known as? | Macrosomia |
What is the midline fissure in the skull? | Falx |
At what level is the abdominal circumference taken? | At the level of the stomach (heart=too high, kidneys=too low) |