Hydrops fetalis due to primary fetal hydrothorax fetal ultrasound

Antenatal ultrasoundSonographic features can be similar for both immune and non-immune hydrops and include:increased amniotic fluid volumesincreased nuchal translucency (especially 1st trimester 5)larger placental size (placentomegaly) / increased placental thickness (placental edema)presence of a fetal pleural or pericardial effusiongeneralized fetal body swelling: fetal anasarca and skin thickeningumbilical venous dilatation