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Old 01-07-2013
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ObGyn What is the cause of IUGR?

A 23-year-old G1P0 woman at 28 weeks’ gestation presents to her obstetrician for a prenatal examination. She has received poor prenatal care up to this point, but is confi dent about dating the pregnancy. She denies use of alcohol and illicit drugs but has continued to smoke during the pregnancy. The mother has gained only 9 kg (20 lb) during the course of the pregnancy. The mother’s temperature is 36.8°C (98.2°F), pulse is 94/min, blood pressure is 138/84 mm Hg, and respiratory rate is 12/min. The fundal height is 23 cm above the pubic symphysis. Further examination with ultrasound reveals the fetus is <10% of the expected weight for the gestational age with symmetric growth anomalies. What is the most likely cause for the intrauterine growth restriction of this fetus?
(A) In utero infection
(B) Inadequate maternal weight gain during pregnancy
(C) Maternal hypertension
(D) Maternal smoking
(E) Singleton pregnancy
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(D) Maternal smoking

Last edited by aknz; 01-07-2013 at 07:22 PM.
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Default My answer...A

Inutero infections (TORCH), fetal anomalies and genetic disorders lead to Symmetrical IUGR........
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Default dd

maternal smoking
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(A) In utero infection
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Quote:
Originally Posted by aknz View Post
(D) Maternal smoking
Its (A) In utero infection.......Symmetric IUGR.

Smoking causes asymmetric IUGR.
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Old 01-08-2013
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Symmetric IUGR= Fetal cause

Asymmetric IUGR= Maternal cause

virtually rules out B, C & D.

Only one Fetal cause (among the choices)>>>>>> A
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A intrauterine infection
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Default correct answer

the correct answer is A > intrauterine fetal infection and that is because as most of u said symetrical IUGR which is caused by fetal causes here infection is the cause while the asymmetrical IUGR due to insufficency in placental supply to the fetus causing vasoconstriction in placental vessels as smoking
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