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Huntington Reproductive Center - Blogs

The HRC Fertility Blog is a resource for patients and those seeking infertility related issues and articles. Check back often or subscribe to this blog as it is changed weekly by the HRC staff.

Dr. David Tourgeman Shares Sperm Facts

Sperm and semen are not the same

Sperm are too tiny to see with the naked eye, while semen is the white fluid that is ejaculated after a man achieves orgasm. Even though sperm are microscopically small, they show up in abundant numbers. The 10 to 500 million sperm found in a single semen contribution would stretch for six miles if they were lined up end to end.

Each ejaculate of semen is about a half-teaspoon of fluid. In addition to sperm, semen contains proteins, fructose and other organic fluids that allow sperm to survive and fertilize the egg. With the help of clear secretions produced by the bulbourethral glands, sperm move into the vagina and cervix with the goal of meeting and penetrating an egg.

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