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.
May 5, 2004 -- As many as one in 100 vasectomies may fail to prevent pregnancy within five years of the procedure, a new study shows. Researchers say that the study shows that like other birth control methods, vasectomies are not always 100% effective. The study showed that six pregnancies were reported among 540 women within six weeks to 1.5 years after their husbands had a vasectomy.