Cases
of congenital anomalies have been increasing among newborns, with defects in
the urinary system showing a marked rise, study results by a team that has been
tracking the issue indicated.
Out of 100 babies born, 5.5 were found to have birth defects, according to the
research team at Inha University's College of Medicine. The team studied
403,250 babies born in 2009-2010 in seven major cities, based on health
insurance applications.
findings were published in the newest edition of the journal BMC Pregnancy
and Childbirth.
Statistics provided in the study showed birth defects during the measured
period, 548.3 per 10,000, or 5.5 per 100, was an increase from 3.7 per 100 in
the years 1993-1994. In the latest study, the ratio of anomalies was higher
among boys than girls, 306.8 per 10,000 compared with 241.5 per 10,000.
The most common abnormalities were found in the circulatory system, 180.8 per
10,000, followed by urinary organs (130.1) and musculoskeletal functions
(105.7), according to the study.
The number of cases of urinary system anomalies, which was 0.7 per 10,000 in
1993-1994 period, jumped to 9.9 in the 2009-2010 period.
Heart defects from a hole in the heart, known as atrial septal defect; cystic
kidney disease; and dislocated hip joints also showed an increase over the
measured periods.
Other defects have decreased, notably anencephaly, or an absence of a major
portion of the brain and skull, that fell from 3.4 per 10,000 to 0.05, and
problems in the pulmonary valve, which decreased from 23.1 to 8.2.
research team did not provide conclusions on the causes of these congenital
defects but conjectured that those related to the circulatory system could be
from technological advances in detecting the problems at the birth stage and
from environmental pollution.
Hormonal imbalances in mothers from environmental hormones and other external
factors were cited as possible reasons for abnormalities in the urethral and
reproductive systems.
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