[Changes in the fetal electrocardiogramm in chronic fetal disease].
D004562:Electrocardiography; D005260:Female; D005318:Fetal Heart / Q000503:physiopathology*; D006801:Humans; D007231:Infant, Newborn; D012127:Respiratory Distress Syndrome, Newborn / Q000175:diagnosis*
Izmenenia na fetalnata elektrokardiograma pri sustoianie na khronichno stradane na fetusa.