Mepụta nsụgharị dị mgbagwoju anya nke ahịrịokwu a Ihe dị ka pasent 20 nke ọrịa polyhydramnios nwere ihe jikọrọ ya na nsogbu nwa ebu n' afọ.
N'ezie, nsụgharị dị mgbagwoju anya nke ahịrịokwu ahụ bụ "Ihe dị ka pasent 20 nke ọrịa polyhydramnios nwere ihe jikọrọ ya na nsogbu nwa ebu n'afọ nke na-eme ka nwa ebu n'afọ ghara inwe ike ilo ihe (n'ihi na nwa ebu n'afọ na-eleru mmiri amniotic anya ma na-amịkọrọ ya site na villi nke eriri afọ ya). "