This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Gynaecology & Obstetrics
All the following are dysmorphic facial features associated with fetal alcohol syndrome except: 
Select and explain. 
A. Small palpebral fissures, B. Thin vermilion border, C. Smooth philtrum, D. Low set ears
D: Low set ears
Answer: D: Low set ears 
Explanation: Fetal Alcohol Syndrome Diagnostic Criteria--all required Dysmorphic facial features (all 3 are required) a. Small palpebral fissures b. Thin vermilion border c. Smooth philtrum Prenatal and/or postnatal growth impairment Central nervous system abnormalities (1 required) a. Structural: head size < 10th percentile, significant brain abnormality on imaging b. Neurological c. Functional: global cognitive or intellectual deficits, functional deficits in at least three domains Alcohol-Related Bih Defects Cardiac: atrial or ventricular septal defect, aberrant great vessels, conotruncal hea defects Skeletal: radioulnar synostosis, veebral segmentation defects, joint contractures, scoliosis Renal: aplastic or hypoplastic kidneys, dysplastic kidneys, horseshoe kidney, ureteral duplication Eyes: strabismus, ptosis, retinal vascular abnormalities, optic nerve hypoplasia Ears: conductive or neurosensory hearing loss Minor: hypoplastic nails, clinodactyly, pectus carinatum or excavatum, camptodactyly, "hockey stick" palmar creases, refractive errors, "railroad track" ears(Ref: William's Obstetrics; 25th edition)