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Periumbilical skin length measurements in the newborn

Normal limits of periumbilical skin were determined in 304 newborn babies in the first 24 h. Cranial umbilical skin (SD) was 12.36 (3.23) mm and caudal umbilical skin (SD) was 8.76 (3.10) mm on the average. It is recommended that cranial umbilical skin measurement should be included in the examination of dysmorphic neonates, and those with cranial skin length above 18.82 mm (>2 SD) should be carefully evaluated for Rieger syndrome.