Obstetrics
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| Infants in the __ percentile are classified as having intrauterine growth restriction (IUGR) | < or =10th
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| Infants in the __ percentile are classified as large for gestational age (LGA) | > or = 90th
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| Both IUGR and LGA fetuses have increased risk for __ | Perinatal morbidity and mortality
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| A pregnancy cannot be described as IUGR unless what is known with certainty | Gestational age
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| What does symmetric IUGR refer to | Infants in which all organs are decreased proportionally
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| Symmetric IUGR infants are more likely to have __ | An endogenous defect that results in impairment of early fetal cellular hyperplasi
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| What does asymmetric IUGR refer to | Infants in which all organs are decreased disproportionately (abdominal circumference is affected to a greater degree than head circumference)
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| Asymmetric IUGR infants are more likely caused by __ | Intrauterine deprivation that results in redistribution of flow to the brain and heart at the expense of less important organs such as the liver and kidneys
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| An infant with an autosomal __ is more likely to be IUGR | Trisomal
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| Multiple gestation is associated with a __% increased incidence of IUGR fetuses | 20-30
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| What is the most common maternal complication causing IUGR | Hypertension
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| Women who stop smoking before __ weeks gestation are not at increased risk for having an IUGR infant | 16
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| Measurable effect on birthweight (risk of IUGR) seen with daily PO intake of: | <1500 kcal/day
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| What are some vascular diseases that are risk factors for having an IUGR infant | Collagen vascular disease, insulin-dependent diabetes mellitus associated with microvasculopathy and preeclampsia
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| What is the best parameter for early dating of pregnancy on ultra sound | Crown-rump length
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| What are the most accurate parameters for dating of pregnancy in the second trimester | Biparietal diameter, and HC
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| Most accurate parameter for dating of pregnancy in the third trimester | Head circumference
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| Single most common preventable cause of IUGR in infants in the US | Smoking
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| Data shows that IUGR infants appear to catch up in weight in the first __ of life | 6 months
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| Taken as a group IUGR infants have more __ than do their AGA peers | Neurologic and intellectual deficits
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| The incidence of __ is increased in IUGR infants | Sudden infant death syndrome
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| Maternal obesity is associated with a __ increased likelihood of fetal macrosomia | 3-4 fold
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| Male fetuses are __g heavier on average than female fetuses | 150
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| What is the best single measure in evaluating macrosomia by ultrasound in diabetic mothers | Abdominal circumference
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| Estimated fetal wt. by __ is not very accurate | Ultrasound
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| Pregnant who drinks during pregnancy and inadequate peri-natal care | Fetal alcohol syndrome / low birth weight
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| Fetuses with neural tube defects are frequently: | IUGR weighing approximately 250g less than controls
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| Women who stop smoking before __ weeks gestation are not at increased risk for having an IUGR infant | 16
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