Diagnóstico prenatal en la provincia de Girona en el período 1999-2009

The main conclusions of this work are the following: - A rise in the use of cytogenetic diagnosis has been detected in Girona province between 1999 and 2009. - Case studies of chromosome abnormalities match the literature consulted. - Moving from second-trimester to first-trimester screening has meant a significant increase in aneuploidy detections. - Prenatal cytogenetic diagnosis is seen as an interdisciplinary field in which the extent of prenatal screening tests is crucial.