Hydrops fetalis

Hydrops fetalis is a condition in the fetus characterized by an accumulation of fluid, or edema, in at least two fetal compartments. By comparison, hydrops allantois or hydrops amnion is an accumulation of excessive fluid in the allantoic or amniotic space, respectively. [Source: Wikipedia ]

OrphaNet reference
Hydrops fetalis 
May Cause
Ascites in an infant or child
Failure of fetal head to engage during labor
Fetal ascites
Fetal hepatosplenomegaly
Fetal neck mass
Fetal skin thickening
Large fetal abdomen during third trimester
Straight fetal spine
May Be Caused by
Absent corpus callosum
Achondrogenesis type 1
Achondrogenesis type 2
Agenesis of the ductus venosus
Arteriovenous malformation
Asphyxiating thoracic dysplasia
Ballantyne syndrome
Bart hemoglobinopathy
Bilateral subdural hygromas
Blomstrand dysplasia
Boomerang dysplasia
Brachmann-de Lange syndrome
Bronchogenic cyst
Caffey dysplasia
Carnitine deficiency syndrome
Chondrodysplasia punctata Conradi-H√ľnermann type
Chorioangioma of the placenta
Chromosome 11 partial duplication
Chromosome 13p partial deletion
Chromosome 17q-
Chromosome 18 partial duplication
Chromosome 18 short arm partial deletion
Chromosome 22 long arm rearrangement
Chromosome 45,X/46,XX mosaicism
Chromosome 5p-
Chromosomes 15 and 17 partial duplication
Coffin-Lowry syndrome
Congenital high airway obstruction syndrome
Congenital infection
Cumming syndrome
Cystic adenomatoid malformation of lung
Cystic lymphangioma
Dappled diaphyseal dysplasia
Diamond-Blackfan syndrome
Diaphragmatic hernia
Disseminated lymphangiomatosis
EEC syndrome
Fetal akinesia syndrome
Fetal hyperthyroidism
Fetomaternal transfusion
Fraser syndrome
Fryns syndrome
G6PD deficiency
Gaucher disease
Glucosephosphate isomerase deficiency
GM1 gangliosidosis
Hemangiomatosis with hydrops fetalis and nuchal cystic hygroma
Hemoglobin H disease
Hemorrhage into neoplasm
Hennekam syndrome
Hereditary stomatocytosis
High-output heart failure
Hydrops - ectopic calcification - moth-eaten skeletal dysplasia
Idiopathic recurrent hydrops
Infant of diabetic mother
Intestinal obstruction
Intrauterine dwarfism with thin bones and fractures
Isolated recurrent cystic hygroma
Kabuki syndrome
Lethal Kniest-like dysplasia
Lethal multiple pterygium syndrome
Lethal sclerotic skeletal dysplasia
Malignant osteopetrosis
Maternal indomethacin therapy
Meconium peritonitis
Mediastinal teratoma
Meningeal hemangioendothelioma
Mucolipidosis type 1
Mucolipidosis type 2
Mucopolysaccharidosis type 4B
Mucopolysaccharidosis type 7
Multiple pterygia
Myocardial infarction
Myotonic dystrophy
Nephrotic syndrome Finnish type
Neu-Laxova syndrome
Neuronal degeneration
Niemann-Pick disease type C
Njolstad syndrome
Noonan syndrome
Opitz BBBG syndrome
Orofaciodigital syndrome type 2
Osteogenesis imperfecta type 2
Pallister-Killian syndrome
Pearson syndrome
Pena-Shokeir syndrome
Placental chorioangioma
Placental choriocarcinoma
Polycystic kidney disease
Posterior urethral valve
Prune-belly syndrome
Pulmonary hypoplasia
Pulmonary lymphangiectasia
Pulmonary neoplasm
Pulmonary sequestration
Pyruvate kinase deficiency anemia
Renal dysplasia
Short rib-polydactyly syndrome type 1
Short rib-polydactyly syndrome type 2
Sialic acid storage disorder
Simpson-Golabi-Behmel syndrome
Smith-Lemli-Opitz syndrome
Soft-tissue tumor
Superior vena cava syndrome
Systemic lupus erythematosus
Thanatophoric dysplasia
Thantophoric variant
Toxemia of pregnancy
Trisomy 13
Trisomy 15
Trisomy 16
Trisomy 18
Trisomy 21
Tuberous sclerosis
Turner syndrome
Twin-to-twin transfusion syndrome
Upper urinary tract obstruction
Urinary tract malformation
XXXXY syndrome
Yellow nail syndrome