ESPE Abstracts

Background: Prader–Willi syndrome (PWS) is a relatively common multisystem disorder with a prevalence estimated in several studies to be in a range of one in 10 000–30 000 individuals.Objective and hypotheses: For the first time to our knowledge, we describe the case of a couple of twin, naturally conceived, monochorionic diamniotic, both affected by PWS.Method: The gravida 3 para 1 mother was 43, and the father 40, at th...