IUGR Flashcards
What is the term used for a neonate with a birth weight less than the 10th percentile?
SGA
LBW is considered what weight?
5 lbs 8oz or 2500g
What type of women have an increased risk of have a baby with IUGR?
- Previous birth with IUGR
- Hypertension
What is the perinatal period?
Onset of fetal viability (24 weeks) to 28 days after delivery
What has been found to cause the majority of “unexplained” stillbirths?
FGR
T or F? IUGR is the leading cause of perinatal mortality and morbidity
False: It is the SECOND leading cause behind preterm birth
Perinatal pathology associated with IUGR
- Polycythemia
- Hypothermia
- Hypoglycemia
- Hypocalcemia
- Meconium Aspiration
Increased risk of cerebral palsy is seen in children with?
IUGR as a baby
What is associated with the most severe growth deficits in the fetus?
Preeclampsia AKA toxemia
What are the three groups of risk factors of IUGR?
- Maternal - medical conditions that effect blood circulation
- Fetal - all 3 trisomies
- Placental - insufficiency
What type of IUGR is known as “head sparing phenomenon”?
Asymmetric - HC is larger than the AC
Type of IUGR where all biometric measurements are proportionally reduced?
Symmetric - least common
In what trimester does asymmetric IUGR begin?
Third
What are the markers for IUGR or LBW?
Increased AFP
Decreased PAPP-A
Sonographic findings in IUGR (3)?
- Echogenic bowel in 2nd trimester
- Grade 3 placenta
- Decreased cerebellar measurement