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  • Title: Outcome of twin pregnancies complicated by a single intrauterine death: a comparison with viable twin pregnancies.
    Author: Kilby MD, Govind A, O'Brien PM.
    Journal: Obstet Gynecol; 1994 Jul; 84(1):107-9. PubMed ID: 8008302.
    Abstract:
    OBJECTIVE: To examine the perinatal and maternal outcomes in twin pregnancies when a single intrauterine death occurs. METHODS: This was a retrospective, observational study. Comparison was made to viable twin pregnancies. RESULTS: Of a total 34,804 live deliveries, 342 were documented as twin births at a gestation of greater than 20 weeks (incidence 0.98%). Of the twin pregnancies over this period, 20 (5.85%) were complicated by a single intrauterine death. There was an increase in the incidence of congenital structural abnormalities among those twins dying in utero as compared to uneventful twin pregnancies (25 versus 0.3%; P < .001). A significant proportion of these twin pregnancies had monochorionic placentas (35 versus 9%; P < .001) and were admitted to special care units (70 versus 5.6%; P < .001) as compared to the normal twin sample. Maternal morbidity has previously been described as being increased. Although there was an increased risk of nonproteinuric and mild pregnancy-induced hypertension, no adverse maternal effects of conservative management were noted in this study. CONCLUSION: The risk of a single fetal death in twin pregnancies is increased with a monochorionic placenta or a structural abnormality. Conservative management and regular surveillance seem advisable.
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