Amniotic fluid discordance in monochorionic diamniotic twin pregnancies is associated with increased risk for twin anemia-polycythemia sequence

Objective To estimate the risk for twin anemia–polycythemia sequence (TAPS) and adverse perinatal outcome in monochorionic diamniotic (MCDA) twin pregnancies with amniotic fluid discordance (AFD). Methods Retrospective cohort study of 34 MCDA pregnancies with AFD (intertwin difference of ≥3 cm in ma...

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Bibliographic Details
Published in:Prenatal diagnosis 2016-12, Vol.36 (12), p.1099-1103
Main Authors: Hiersch, Liran, Eitan, Mayan, Ashwal, Eran, Weisz, Boaz, Chayen, Benny, Lipitz, Shlomo, Yinon, Yoav
Format: Article
Language:English
Subjects:
Adult
Amniotic Fluid - diagnostic imaging
Anemia
Case-Control Studies
Cerebral Hemorrhage - epidemiology
Enterocolitis, Necrotizing - epidemiology
Female
Fetofetal Transfusion - diagnosis
Fetofetal Transfusion - diagnostic imaging
Fetofetal Transfusion - epidemiology
Health risk assessment
Humans
Infant, Newborn
Male
Neonatal Sepsis - epidemiology
Oligohydramnios - diagnostic imaging
Oligohydramnios - epidemiology
Polyhydramnios - diagnostic imaging
Polyhydramnios - epidemiology
Pregnancy
Pregnancy, Twin
Respiratory Distress Syndrome, Newborn - epidemiology
Retrospective Studies
Twins
Twins, Monozygotic
Ultrasonography, Prenatal
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Summary:Objective To estimate the risk for twin anemia–polycythemia sequence (TAPS) and adverse perinatal outcome in monochorionic diamniotic (MCDA) twin pregnancies with amniotic fluid discordance (AFD). Methods Retrospective cohort study of 34 MCDA pregnancies with AFD (intertwin difference of ≥3 cm in maximal vertical pocket measurement) without meeting the criteria for twin to twin transfusion syndrome or selective intrauterine growth restriction. Perinatal outcome measures and the risk for TAPS were compared with a control group consisted of 101 MCDA twin pregnancies without AFD, twin to twin transfusion syndrome, or selective intrauterine growth restriction. Composite neonatal morbidity was defined as the presence of respiratory distress syndrome, intraventricular hemorrhage grades 3 and 4, necrotizing enterocolitis or sepsis. Results Overall, in the AFD group, seven twin pairs (20.6%) were complicated by TAPS compared with none in the controls (p 
ISSN:0197-3851
1097-0223
DOI:10.1002/pd.4939