
Pregnancy
Edwards syndrome is a hereditary disease caused by trisomy of the 18th chromosome and is manifested by multiple organ malformations.
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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's syndrome is associated with the presence of an extra chromosome in the 21st pair of chromosomes. A normal person has 46 chromosomes