FCS stands for Football Championship Subdivision and FBS stands for Football Bowl Subdivision. Teams in the FBS, formerly known as Division 1-A, determine their champion via â¦ ratings, both human and computer.
There are three primary ways a pregnancy can occur after a vasectomy: 1  Having sex without contraception before the manâs sperm count is confirmed to be zero. 2  Natural reversal, also known as recanalization. 3  Surgical error.
It takes unto eight to 16 weeks after vasectomy. There is a small chance of recanalization even after no sperm is seen after eight to 16 weeks. 1 year ago by Marc Goldstein, MD, FACS. 80% of men will be sterile after 15 ejaculations or 6 weeks after a vasectomy.