<unk>  has an estimated incidence of one in 13,700; about 300 children with BWS are born each year in the United States. The exact incidence of BWS is unknown because of the marked variability in the syndrome's presentation and difficulties with diagnosis. The number of reported infants born with BWS is most likely low because many are born with BWS, but have clinical features that are less prominent and therefore missed. BWS has been documented in a variety of ethnic groups and occurs equally in males and females. Children conceived through In vitro fertilization have a three to fourfold increased chance of developing<unk> . It is thought that this is due to genes being turned on or off by the IVF procedures.
Beckwith–Wiedemann syndrome
Wiedemann–Rautenstrauch syndrome
Wiedemann–Steiner syndrome
Weismann-Netter–Stuhl syndrome
Laurence–Moon syndrome
Prader–Willi syndrome
Wilson–Turner syndrome
Bardet–Biedl syndrome