[Evolution of the frequency of congenital defects in newborn infants and fetuses from terminations of pregnancy after prenatal diagnosis in the period 1982-2009].

Background And Objective: The study of congenital defects (CD) must include termination of pregnancy (TOP) for CD and evaluate risk factors that modify their frequency.

Patients And Methods: Consecutive series of 517 newborn and 202 TOP with CD among 38,191 childbirths, between 1982-2009 years.

Results: The mean frequency for newborns with CD is 13.