(2) Sterilization of fallopian tube silicone rubber plug: put a special silicone rubber plug into fallopian tube to block the fallopian tube. If you need to have another baby, take out the silicone plug.
(3) Sterilization by applying drugs to fallopian tubes: This operation is performed in vagina, and the applied drugs are injected into fallopian tubes through a metal catheter, resulting in chemical inflammation, forming a scar group in the lumen of fallopian tubes and blocking the lumen.