Peterson and Cron1 have reported that some cases of dysmenorrhea were benefited by carbon dioxide insufflation of the fallopian tubes. At the time when I2 reported some of my own experiences with the insufflation test I had not paid enough attention to the relation of this procedure to dysmenorrhea to venture any opinion. Since that time I have collected fourteen case reports of dysmenorrheic patients whose tubes were insufflated. While this is a small number, it nevertheless shows rather interesting results.
Of the fourteen women in the series, eight had had children some years ago and wanted more. Two of these had conceived in a previous marriage but not from their present husbands, and the remaining six patients had never been pregnant at all. Of the fourteen women, one was much benefited by the carbon dioxide insufflation; another was slightly improved; two were better for one or two