Question

Why spermatoza ssould fertilized the oocyte at the ampulla of the tube

Answer 1

Answer:

It is within this highly ciliated portion of the oviduct that fertilization and early embryo development occur. The ampulla is most often also the site for ectopic implantation (ectopic pregnancy). ... Like the ampulla, it too is ciliated yet less densely so. The isthmus is thought to regulate sperm and embryo transport.