Four Leaf Clover
Description
This item has been moved to https://cdm.llu.edu/digital/collection/p17224coll14/id/51/rec/1
Experimental IUD with four 'leaves' on stems off the central axis. Nylon or polyethylene thread off the central axis. The design can be classified as either closed loop due to the closed leaves, or multiple plane due to the four stems.
This image has been withdrawn.