Toxicological requirements for sclerosing agents or other chemicals for female sterilization.

There are no guidelines regulating the technologies available for Fallopian tube occlusion. Generally accepted regulatory requirements cannot be applied directly to the safety assessment of these technologies. The more appropriate guidelines are those regulating medical devices. Each method has to be evaluated on its own merits taking into consideration the duration of contact with tissue and the chemical and physical composition of the occlusive agents.