A diaphragm is a silicone, cup-like object that you insert into your vagina to cover your cervix. Diaphragms must be used in conjunction with spermicide, which is a sperm-killing gel. A diaphragm ...

1 teaspoonful spread over the surface and rim of diaphragm prior to intercourse provides 6 hrs protection. Reapply prior to each intercourse (if used with diaphragm do not remove diaphragm ...