“…Thus, some 'atypical' cases of Case reports 'trisomy 13 syndrome' (e.g. Snodgrass et al, 1966;Neu et al, 1971 ;Webb et al, 1971) conceivably could represent cases of trisomy 14. Fourth, trisomy 14 may produce so few phenotypic abnormalities that affected individuals are not necessarily brought for genetic consultation.…”