Microparticles for the treatment of the interior of female female circumcision and their use

摘要

ABSTRACT OF THE DISCLOSUREAntibody or antigen containing microparticles for theactive or passive immunization of the internal femal reproduc-tive organs, comprising microparticles of an antigen or anti-body incorporated in a matrix material which is biocompatibleand biologically degradable, said microparticles capable ofbeing transported after deposition in the vagina by the naturaltransport mechanism of the internal female reproductive organsacross the cervix into the uterus. A contraceptive compositioncapable of being directly delivered to the uterus and fallopiantubes comprising microparticles of a biodegardable and bio-compatible matrix material having sperm surrogate activity andcontaining a contraceptive agent and a transport inducing hormonewhich when released stimulates the transport of the microparticlesacross the cervix into the uterus and fallopian tubes with theproviso that the contraceptive agent and hormone are differentwhen the contraceptive agent is a hormone.