Hello doctors can tubal flushing help in unblocking fallopian tubes and if so how many times should it be done to be successful in unblocking the fallopian tubes?

"Tubal flushing" done once with demonstrated open tubes or at least one tube, does not need immediate repetition unless pelvic infection is acquired at a later point, and attempts at pregnancy are not successful. Your gyn provider may recommend a diagnostic laparoscopy to assess whether adhesions are present which can inhibit achievement of pregnancy.