Doctor insights on:
Usual Site Of Fertilization
Is it common for sperm to live 6 to 7 days after intercourse before ovulation and fertilization takes place, or is that a rarity?
Union of sperm/egg: Fertilization is union of the sperm and egg. At fertilization, many sperm bind to the covering of the egg, the zone pellucida. At the zona, sperm become hyperactive, whipping tails back and forth, and literally drill into the egg. Once one sperm enters the egg, the egg immediately closes access to any other sperm. Egg and sperm dna combine, and cell division begins. ...Read more
Invitro fetilization: Fertilizes the egg outside of the body, then it implanted in the terous. ...Read more
Fertilization: Fertilization of an egg depends on many factors, of which length of sperm travel is just one. However, to maximize the chance of fertilization, the sperm should have the least distance to travel as possible. Thus, depositing sperm at the opening of the cervix would be the most highly beneficial. This, however, is difficult to judge during intercourse. Normal penetration usually does just fine. ...Read more
"Creative" answer: The salmon(sperm) are deposited in the vagina and "jump the waterfall" through the cervix and uterus to "spawn" in the Fallopian tubes and meet the egg. The female egg, just like a woman, decides which "guy" to let inside the clear space around the egg(zona pellucida) and thus, Viola! mix with her genetic material(chromosomes). Each party in the "connection carries 23 chromosomes to make a baby. ...Read more
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