The prevalence of KFS is unknown due to the lack of studies to determine its prevalence. It is estimated to occur 1 in 40,000 to 42,000 newborns worldwide. In addition, females seem to be affected slightly more often than males.
Klippel–Feil syndrome
Srb's anomaly
Treacher Collins syndrome
Iniencephaly
Klippel–Trénaunay syndrome
Pelger–Huët anomaly
Laurence–Moon syndrome
Langer–Giedion syndrome