Vasovagal shock after insertion of intrauterine device.
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Biomedical subjects
Publications and source records attributed to D N Menzies.
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Factors associated with spontaneous premature birth were investigated in 459 consecutive twin deliveries at this hospital. Low maternal age, low parity, and zygosity were significantly related to the incidence of this complication. The number of previous abortions, sex combinations and related birth order, and mode of presentation of the first twin were not related to the incidence of spontaneous premature delivery. We conclude that apart from low maternal age and low parity there are no obvious factors that would permit early identification of twin pregnancies at risk from spontaneous premature birth.
We compared 60 twin pregnancies treated by bed rest, 37 treated by cervical suture and 36 receiving no active treatment. The incidence of the spontaneous onset of labour before 36 weeks of gestation, the mean gestational age at delivery, mean birth weights of the first and second twins and the incidence of 'small-for-dates babies' were similar in all three groups.
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Explore the source record for details and available documents.
Explore the source record for details and available documents.