by Staff writer
Many of us only see and celebrate the end result of fertilization which is pregnancy, but do you know anything about the many obstacles the sperm goes through to finally reach the egg?
Mammalian sperm have to travel a long distance through the female reproductive tract to the oviduct, in which fertilization takes place.
To accomplish the journey to the egg, sperm are equipped to overcome various obstacles that lie ahead, such as navigating the confusing uterotubal junction (UTJ) and dodging a tough attack by the woman’s immune system and then exerting a another deal of skill and energy to finally penetrate the egg.
The video below explains a lot:
Now one minute of silence to all the other racers who weren’t as lucky as you to reach the egg of life!