The case which I wish to report occurred in a pregnant woman of 35. In reviewing the recent literature, I have found records of only seven other cases of encephalitis lethargica occurring in pregnant women. In the nona epidemic of 1890, no cases complicating pregnancy are mentioned.
Though the fact is not always brought out in the smaller series, the disease appears to be far more common in the male sex than in the female, a point that was emphasized by Neal.1 Of 189 cases in recent English and American reports, only sixty-seven occurred in women and girls, and of these only thirty-three were in women of the child-bearing age. The mortality is, however, considerably higher in women than in men. Of 122 men, seventy-two recovered, twenty-three died, and in twenty-seven the outcome of the disease had not been determined at the time of the report; of the sixty-seven
SCHULZE M. ENCEPHALITIS LETHARGICA IN PREGNANCY. JAMA. 1920;74(11):732-733. doi:10.1001/jama.1920.02620110022006