Nonimmune hydrops fetalis (NIHF) is a condition that can occur at any stage of pregnancy and is linked to a variety of disorders, resulting in severe perinatal complications and increased mortality risk. NIHF refers specifically to cases where maternal antibodies against red blood cell antigens are excluded. Early identification of the underlying causes is essential for managing pregnancy and deciding on treatment. The prognosis depends on the causes, both in the short and long term. Each case should be considered individually. We describe a case of severe fetal hydrops first identified at 35 weeks of gestation. In this instance, a definitive diagnosis could not be reached during pregnancy. An accurate diagnosis combined with early prenatal detection of NIHF is vital for reducing neonatal mortality associated with this condition.
Keywords: causes; nonimmune hydrops fetalis; pregnancy outcome; prognosis.