title: Hydrops fetalis in a parabiotic, acardiac twin.
mesh_terms: D004200:Diseases in Twins; D004487:Edema / Q000150:complications / Q000151:congenital* / Q000209:etiology; D005260:Female; D006801:Humans; D007019:Hypoproteinemia / Q000150:complications; D007231:Infant, Newborn; D008297:Male; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious; D013577:Syndrome; D013587:Syphilis / Q000150:complications; D014428:Twins, Conjoined / Q000150:complications