| abstract |
The invention relates to a sustained-release contraception sponge and a preparation method. The sustained-release contraception sponge has antibiosis and contraception effects, a main contraception component is a surfactant, through a sustained-release block technology, the product can be stayed in vagina for a long time, contraception effect is continuously released, and one-time usage of the contraception sponge achieves long-time contraception effect. |