What is example of failure of 3 months Men vasectomy effect sperm still flowing?

Men who accept vasectomies can not assuredly abounding women because agent approach has been disconnected. But allegedly there is still accident of abundance in the aboriginal three months afterwards a vasectomy.So do not be afraid if there are cases still abundant wife afterwards the bedmate in a vasectomy. But such cases are actual rare, the accident of abundance afterwards vasectomy is about