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Tubal Ligation Methods – Coagulation

Coagulation Methods of Tubal Ligation

Bipolar tubal coagulation

Tubal ligation by bipolar coagulation has a 60% pregnancy rate after tubal reversal.

Bipolar Coagulation

Bipolar tubal coagulation is the most popular method of laparoscopic female sterilization in the United States. With this method of tubal ligation, the fallopian tube is grasped between two poles of electrical conducting forceps, and electrical current passes through the tube between the two ends of the forceps. Damage to the tube is limited to the segment between the forceps. Often, two or three adjacent sites are coagulated resulting in loss of approximately 2-3 cm of fallopian tube. Bipolar tubal coagulation is a good method of female sterilization for women who decide to have a tubal reversal procedure. Pregnancy rates after reversal of bipolar tubal coagulation are approximately 60%.

Monopolar Coagulation

Tubal ligation by monopolar coagulation has a 40-50% pregnancy rate after tubal reversal.

Monopolar Coagulation

Monopolar coagulation of the fallopian tubes is less common than bipolar coagulation tubal ligation. The electrical current spreads outward from the coagulating forceps, so monopolar coagulation damages more of the fallopian tube than bipolar coagulation. In most cases, the tube is also cut after it has been coagulated.

When a single site of the tube has been coagulated and divided, tubal reversal can be performed without the need for further diagnostic tests. If multiple sites have undergone monopolar coagulation, screening laparoscopy is recommended to evaluate the tubal lengths remaining for repair. Pregnancy rates after reversal of monopolar coagulation procedures are 40-50%.

Tubal ligation procedures

Normal fallopian tube anatomy and other tubal ligation procedures described in the following pages are: