There has been a significant increase in the gastroschisis prevalence at birth in Chile from 1995, and this anomaly is associated with a low maternal age.

Pregnant women with pre-existing or gestational diabetes have a higher risk of giving birth a child with malformations.

No abstract

Holoprosencephaly has a low frequency in Chile and is associated to trisomy 13. The increase in prevalence could be explained by a better prenatal diagnosis (ultrasonography).

No abstract