Word: atsumi
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...fenberg's rings made from the surgical silk. His 329 patients had a few unwanted pregnancies, but no miscarriages and no malformed babies. There were no cases of permanent sterility, and no diseases, including cancer, that could be attributed to the ring. In Yokohama, Dr. Atsumi Ishihama recorded a total of 19,000 women fitted with IUCDS; his choice was a ring made from a spiral of metal or plastic, and with a disk in the center suspended from three points...