Usually, it's because the sperm gets into the fallopian tube before the egg is released. Once there, the sperm wait for an egg to arrive. After fertilization, it can take 5-10 days for the fertilized egg to begin to attach itself to the lining of the uterus. Pregnancy begins when this happens.
The arrangement of spikes originally had no distinct name; the term Thagomizer was coined in 1982 by cartoonist Gary Larson in his comic The Far Side, and thereafter became gradually adopted as an informal term within scientific circles, research, and education.
Reference books usually say that M Gibus created it in 1823; my Petit Robert dictionary gives 1834 for the first use of the hatâs name in French.ibberish; You snowing me? ; Chi-ike; Salop; Hairy eyeballs; Broom-squire; Latrinalia; Charon; True blue; Nakation; Hands off? ; Who coined forecast? ; Vigintillion; Hingle; Bookaneer; Pig sick; Adimpleate; Deodand; Ilk; Fowlerâs Modern English Usage; Skint; Vellichor; Galoot; Crizzling; Caparisoned.