Circular spiral silver Grafenberg ring, c.1930 | Science Museum Group Collection
Graefenberg-Ring
The Twisted History of IUD Design - Atlas Obscura
Control of Conception" (1931) (excerpts) at MUM
Testing IUDs in: Women's medicine
Ring shaped IUD, bent into hexagonal shape.
Contraception – past and future | Nature Medicine
ring-shaped IUD.
Grafenberg Ring - gold" by Ernst Grafenberg M.D.
THE GRÄFENBERG RING | The BMJ
Types of device. Notes: (A) Ota Ring, (B) Birnberg Bow, (C) Majzlin... | Download Scientific Diagram
ring-shaped IUD. | Dittrick Medical History Center
Intrauterine contraception: from silver ring to intrauterine contraceptive implant - ScienceDirect
Grafenberg ring intra-uterine contraceptive device - MAAS Collection
ring-shaped IUD. | Dittrick Medical History Center
Grafenberg ring intra-uterine contraceptive device - MAAS Collection
Museum of Contraception and Abortion
Graefenberg-Ring
Museum of Contraception and Abortion
Intra Uterine Contraceptive Devices (I.U.C.D.)
![PDF] Retained Graefenberg ring intrauterine device mimicking fractured Lippes loop in-utero. | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/6c9d2d53cc004a03dc535a10b3b5911dd5fd6f63/2-Figure2-1.png "PDF] Retained Graefenberg ring intrauterine device mimicking fractured Lippes loop in-utero. | Semantic Scholar")
PDF] Retained Graefenberg ring intrauterine device mimicking fractured Lippes loop in-utero. | Semantic Scholar
Museum of Contraception and Abortion
Gräfenberg-Ring – Wikipedia
![PDF] A Report on the Hysteroscopic Removal of a Gräfenberg Ring After Almost Fifty Years in Utero. | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/011e7855dee4ca7d2ce3cc6b40c413808e7e967a/2-Figure1-1.png "PDF] A Report on the Hysteroscopic Removal of a Gräfenberg Ring After Almost Fifty Years in Utero. | Semantic Scholar")
PDF] A Report on the Hysteroscopic Removal of a Gräfenberg Ring After Almost Fifty Years in Utero. | Semantic Scholar
Grafenberg ring, broken in situ, fitted by Dr. Leu | Science Museum Group Collection
Graefenberg ring - Circular metal spring IUD. | Dittrick Medical History Center
Modern Concepts in Intrauterine Devices | Abdominal Key
