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On account of the peculiarities of this case of dicephalous monster, I wish to record it, together with the facts pertaining to its birth.
—I was not engaged to attend the patient until labor had set in, so the history of the pregnancy previous to that time is unknown, except for the statement by the patient that she had been feeling very well, but had worried a great deal over domestic troubles..The woman is an American, height 5½ feet, weight 150 pounds, aged 29. She is strong and healthy. She has been married seven years and has one healthy well-formed child, 4 years old. No miscarriages. She first felt fetal movements in December, 1905. The father of the child is 29 years of age and gives a good family and personal history. He has never had gonorrhea or syphilis. He has been drinking to excess for the past
CAFFEY HB. A DICEPHALOUS MONSTER.. JAMA. 1906;XLVII(21):1738-1739. doi:10.1001/jama.1906.25210210046002f