nonimmune fetal hydrops

non·im·mune fe·tal hy·drops

fetal edema and ascites unrelated to maternal/fetal blood group incompatibilities; multiple etiologies include fetal cardiac disease, fetal viral disease, and fetal structural anomalies.
References in periodicals archive ?
Sialidosis presenting as severe nonimmune fetal hydrops is associated with two novel mutations in lysosomal alpha-neuraminidase.
They may even present in utero, causing nonimmune fetal hydrops and polyhydramnios.