The patient who is the subject of this report was seen regularly from the second month of gestation. Late in the seventh month, acute symptoms of hyperthyroidism developed. A subtotal thyroidectomy was performed in the eighth month of gestation and she was delivered normally of a normal baby twelve days after the estimated term.
A brief analysis of the literature of the past twenty years reveals that this complication of pregnancy is relatively infrequent. About 600 cases have been reported singly or summarized in groups between 1913 and 1932. The incidence in goiter clinics is about 1 in 200.1 Fahrni's2 exceptional incidence of 1 in 5 should be noted. In maternity clinics the incidence is 1 in 13,000.3 Inquiry among my colleagues reveals that it may never be seen in general practice, though it appears likely that the diagnosis may be occasionally missed.
All authors are agreed