Influence of advanced age of maternal grandmothers on Down syndrome

• Prif Awduron: Ramachandra Nallur B (Awdur), Malini Suttur S (Awdur)
• Fformat: Llyfr
• Cyhoeddwyd: BMC, 2006-01-01T00:00:00Z.
• Pynciau: article
• Mynediad Ar-lein: Connect to this object online.

<p>Abstract</p> <p>Background</p> <p>Down syndrome (DS) is the most common chromosomal anomaly associated with mental retardation. This is due to the occurrence of free trisomy 21 (92-95%), mosaic trisomy 21 (2-4%) and translocation (3-4%). Advanced maternal age is a we...