More on maternal age of the unborn child

Researchers have discovered a maternal age effect that means children of older mothers have an an increased risk of diabetes, cancer, Parkinson’s disease and Alzheimer’s disease.

The discovery could be used to predict the accumulation of mitochondrial DNA mutations in maternal egg cells and the transmission of these to offspring.

A positive association between the number of heteroplasmies in a child and maternal age at fertilisation is likely to be attributable to oocyte ageing, according to a study