In a first, study links maternal genes to risk of pregnancy loss

Specific gene variants, or versions of genes, are linked to a higher risk of chromosomal abnormalities that can cause pregnancy loss. For the first time, scientists have identified genetic variants that increase the risk of aneuploidy, in which cells have an abnormal number of chromosomes. Aneuploidy in egg cells can lead to miscarriage.

For the first time, scientists have identified genetic variants that increase the risk of aneuploidy, in which cells have an abnormal number of chromosomes. Aneuploidy in egg cells can lead to miscarriage.