| contraceptive agents | Chemical substances diminishing the likelihood of or preventing conception. The agents do not include occlusive barriers to prevent the passage of spermatozoa into the uterus (contraceptive devices). (12 Dec 1998) |
|---|---|
| contraceptive agents, female | Chemical substances or agents with contraceptive activity in females. Use for female contraceptive agents in general or for which there is no specific heading. (12 Dec 1998) |
| contraceptive agents, male | Chemical substances or agents with contraceptive activity in males. Use for male contraceptive agents in general or for which there is no specific heading. (12 Dec 1998) |
| contraceptive sponge | A resilient, hydrophilic sponge of polyurethane foam impregnated with a spermicide; contraception is achieved by action of the spermicide. (05 Mar 2000) |
| intrauterine contraceptive devices | Devices of plastic or metallic substance inserted into the uterus to prevent conception. (12 Dec 1998) |
| oral contraceptive | Any orally effective preparation designed to prevent conception. (05 Mar 2000) |