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KMID : 0438219750120010389
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Korea University Medical Journal
1975 Volume.12 No. 1 p.389 ~ p.395
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Studies of Reticulocyte Level in the Newborn Infants
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Abstract
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Most authors have found considerable variations in the reticulocyte count in different infants, and the values found by different authors are extremely variable.
The present study had been carried out in order to investigate the influence of gestational age and delivery method on the reticulocyte level in the newborn infant.
Ninety-eight newborn infants who were born at the Woo-Sok Hospital Korea University College of Medicine have been studied and the results obtained were as follows:
I. In the circulating blood of the normal newborn infants, there were found an average of 7.02/ of vitally stainable reticulocytes, with the maximal limit of 11.2% and the minimum of 4.1%, during the first 24 hours of life.
2. There seems to be ascertain relation between the number of reticulocytes and gestational age, that is, prematury born infant had higher reticulocyte counts than postmatury born infants. Low birth weight infants showed the same relation as seen in the premature infants.
3. Reticulocyte counts was somewhat lower in the newborn delivered by cesarean section or face & breech than normal vaginal, although definite conclusions are not warrented from a small series such as is here reported.
4. There were no sex difference, and no correlation between the number of reticulocytes and gravida.
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