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KMID : 0438219770140030477
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Korea University Medical Journal
1977 Volume.14 No. 3 p.477 ~ p.491
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The Clinical Study of High-Birth-Weight Infants
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Abstract
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High-Birth-Weight (H. B. W.) infant weighing 4, 000 gm or more is one of the high-risk infants. Not only obstetric but pediatric management of H.B.W. infant is considered to be a difficult problem and requires special experiences. The data presented are based on 114 cases of H.B.W. infant among 2,485 cases of total deliveries, cared at newborn nursery, Korea University Hospital during the period of 3 years from January 1, 1971 to December 31, 1973.
The following results are obtained;.
1. The incidence of H.B.W. infants was 4.6% of the total deliveries.
2._ In maternal characteristics;´the majority (87.7%) of H.B.W. infants were found to be born in the mother aged above 25 years and 36.0%, were above 30 years. There was definite tendency of H.B.W. infants predominantly born in the group of multipara and highest incidence was found in the para 2. Half (50.0%) of the cases of H. B. W. infants were born between 40 and 41 weeks of gestation and 43% of the cases were born in 42 weeks or more weeks. The rate of Cesarean section of H. B. W. infants was higher (22.8%) than that of total deliveries (12.5%) but more than half (56.1%) of the infants were born by normal vaginal delivery.
.3. In infantile characteristics, .two third (66.7%) of the H. B. W. infants were male and one third (33.3%) was female, the highest baby weight was 5,9009m. 5.3% of the infant had low Apgar score less than 6 and most frequent complication was birth trauma (22.8%), of which cephalhematoma was 80.8%. Incidences of hyperbilirubinemia and hypoglycemia showed no significant difference between H. B. W. infants and control group. Perinatal death in. H. B. W. infants were 6 which consist of 4 stillbirths and 2 neonatal deaths.
4. Three years follow-up studys were carried out for measurement of average body weight and growth rate of H. B. W. infants from birth through 3 years of age. H. B. W. infants were larger than control group from birth through 3 years of age but H. B. W. infants had lesser growth rates than control and showed a little mean weight difference with increasing age. Walking was slightly delayed in the group of H. li. W. infants compared with control, but there were no significant differences between two groups in other motor, language and socio-behavioral development.
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