hrp0082p2-d1-564 | Sex Development | ESPE2014

46,XY Neonates and Infants with Ambiguous Genitalia: Who to Investigate?

Baetens Dorien , Mladenov Wilhelm , Chiaie Barbara Delle , Desloovere An , Iotova Violeta , Menten Bjorn , Van Laecke Eric , Hoebeke Piet , De Baere Elfride , Cools Martine

Background: Extensive and time-consuming hormonal and genetic work-up provides a genetic diagnosis in around 20% of 46,XY cases with ambiguous genitalia. It is currently unclear if such extensive screening might also be indicated in 46,XY newborns with milder undervirilization.Method: All 46,XY neonates and infants (n=32, EMS 2–12) referred to our pediatric endocrine service for atypical male genitalia in the period 2007–2013 were inve...