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A case of hyperemesis gravidarum at 9 weeks' gestation is described for which no cause could initially be found. Intravenous feeding was needed as a life preserving measure and following improvement on this regime the patient went into a thyrotoxic crisis which was successfully diagnosed and treated. The continuing pregnancy and its outcome is described. The need for practitioners to remember vomiting as a presenting sign of thyrotoxicosis is stressed.
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Valentine et al. (1980) studied this question.
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