For children with Down syndrome (DS) or other genetic syndromes (OS), adenotonsillectomy seems to be safe, with a low rate of complications, according to a study published online Oct. 31 in the Ear, ...

Last month, San Diego-based biotech company Sequenom released its long-awaited early pregnancy test for Down syndrome. Unlike previous methods such as amniocentesis, which carries a significant risk ...

Rett syndrome is a rare developmental disorder, most often due to a mutation in the MECP2 gene on the X chromosome, but it’s not usually inherited. Advances in genetics have launched a new era in ...

Human fertility hinges on a delicate molecular ballet that begins even before birth. UC Davis researchers have uncovered how special protein networks safeguard chromosomes as eggs and sperm form, ...