In some births, functional anomalies that are not seen when the baby is born may occur as the baby gets older (such as mental retardation or some internal organ diseases). Physical disabilities are also frequently encountered in premature and/or stillborn babies.
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The percentage distribution of factors that create anomalies in the baby can be summarized as follows:
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Genetic causes
Genetic disorders are detected in 20-25% of babies born with anomaly problems. These may be a chromosomal disorder (Down syndrome) or structural anomalies may occur due to a single gene disorder.
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Intrauterine infections of the baby
Infections suffered by the mother may be the causative cause of anomaly births at a rate of 3-5%. The most important of these are toxoplasma, rubella (rubella), cytomegalovirus and syphilis (syphilis).
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Diseases of the expectant mother
Existing chronic diseases of the mother 4% It causes babies with anomalies to be born at a high rate. The most important of these are diabetes and epilepsy (epilepsy) in the expectant mother.
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Drugs used by the mother, alcohol and other habits, radiation exposure, factors in this group account for 1% of birth defects. They form less than!
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