THE DIAGNOSIS OF ECTOPIC PREGNANCY

trary to the findings in the present series. Of the 430 cases in which there was a history of a relationship betweenthese two symptoms,abnormal bleeding preceded pain in 280 (65%). The onset of the two symptomswas simultaneous in 77 (18%), and pain occurred prior to bleedingin only 73 (17%). Carabbaand Silberblatt (1952) have reporteda pattern of relationship similar to that of the presentseries. Pain is usually the patient's major complaint, and this may explain the belief that it frequently precedesabnormal hremorrhageper vaginam.