A diligent search of the literature fails to reveal the record of many cases of extrauterine pregnancy in which anything aside from what may be termed typical symptoms were presented. The object of this paper, therefore, is to call attention to the fact that our knowledge of its symptomatology is by no means complete, also that it is a malady of more frequent occurrence than we are in the habit of assuming.
According to Hirst, the proportion of cases of extrauterine to normal pregnancy is about 1 to 500, and he gives that of Winkel to be 16 to 22,000 births, and of Bandl 3 to 60,000. While not giving his own experience, he states that he has operated 59 times with three deaths; 13 of these cases were operated on by him in nine months.
The subject of diagnosis as dealt with by most writers would
DORSETT WB. EXTRAUTERINE PREGNANCY WITH ATYPICAL SYMPTOMS.. JAMA. 1904;XLIII(27):2012-2016. doi:10.1001/jama.1904.92500270002a