True for pomeroy's technique of tubal ligation is?

Failure rate in pomeroy's technique is 1 to 4 in 1000 Pomeroy Procedure is the method of dividing the tube. Plain catgut is used to ligate the knuckle of tube to ensure prompt absorption of the ligature and subsequent separation of the severed tubal ends Site of ligation is the junction of proximal and middle 1/3rd of the tube or mid poion of tube. Pomeroy's and Modified pomeroy's are commonly performed techniques of open and minilap ligation