Blocked fallopian tubes can be unblocked. However, the method of unblocking depends on the location of the blocked fallopian tube. The time for tubal unblocking is usually 2-7 days after menstruation. 2. The cost of tubal unblocking is determined by the method chosen. 3. The local authorities should be consulted if rural cooperative medical care is available. 4.Tubal lysis is usually done once. It is best to get pregnant as soon as possible after unblocking, otherwise, it may be blocked again after some time.