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External Genital Anomalies in Newborn Babies
Shiva, Siamak & Hoseinian, Mohammad-Hosein
Abstract
Objective:
External genital anomalies are common congenital anomalies, especially in male
newborns. It seems that the incidence of these anomalies is increasing. Although the etiology of
these anomalies is obscure in most cases, genetic and environmental factors have important roles.
This study aimed to determine the types and frequency of these anomalies in newborn babies and
to compare the results with those of a study which was conducted in the same hospital in 1991.
Methods:
In a descriptive analytic and cross-sectional study, all babies born March 2005 to
February 2006 in Alzahra Hospital, Tabriz, were recruited.
Findings:
6800 newborns consisting of 3475 (51.1%) boys and 3325 (48.9%) girls were studied.
No anomaly was found in girl newborns, but 6.6% of boys had external genital anomalies.
Undescended testis and hypospadias were first and second common anomalies. In comparison
with the previous study, the frequency of anomalies was higher in preterm and low birth weight
babies, babies of related parents and older mothers.
Conclusion:
The frequency of external genital anomalies had an ascending trend in the last
decade. Low birth weight, preterm delivery, high maternal age, and related parents are risk factors
for these anomalies.
Keywords
External genital; Anomaly; Newborn; Undescended testis; Hypospadias
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