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Klinefelter syndrome is a chromosomal disorder characterized by the presence of an extra X chromosome in males. This is due to meiosis
Edwards syndrome is a hereditary disease caused by trisomy of the 18th chromosome and is manifested by multiple organ malformations.
Patau syndrome is a genetic/chromosomal disorder caused by an abnormality of chromosome 13 in some or all cells of the body.
Down syndrome: causes, signs and prenatal diagnostics Down syndrome is a genetic condition associated with the 21st
The purpose of prenatal screening is early assessment of the risk of development of various pathologies of the fetus and related to pregnancy for the mother
