sperm

Men can contribute to babies well into their 80s—yes, sperm quality declines but not that much—while the ability to get pregnant is pretty much capped at age 45.

From Slate ● Oct. 16, 2026

The couple often used Xuan’s sperm and a donor egg to conceive the children, documents reviewed by the Journal showed.

From The Wall Street Journal ● Oct. 6, 2026

For men using testosterone therapy under the guidance of a physician, there is a “recovery” period between ending testosterone therapy and sperm counts returning to within normal levels, but it’s often not pre-testosterone levels.

From Slate ● Sep. 13, 2026

For years, Arthur Kermalvezen, the child of a sperm donor, saw possible fathers everywhere he went.

From BBC ● Aug. 29, 2026

The conception of a normal child was merely the transfer of this minihuman—the homunculus—from the father’s sperm into the mother’s womb.

From "The Gene" by Siddhartha Mukherjee

They identified these sperms by measuring how much calcium they absorbed.

From Science Daily ● Mar. 5, 2024

Using the method, the team focused on sperms with defective capacitation, a process through which sperms become capable of fertilizing an egg.

From Science Daily ● Mar. 5, 2024

“If we want to go international and help women and couples in different parts of the world, we need non-Danish sperm, sperms of all colours,” says Schou.

From Newsweek ● Mar. 13, 2015

The history of endocrinology can be traced back to Dr.Brown-Séquard injecting himself with dog sperms to study its effect on his vitality and vigor.

From Scientific American ● Jun. 14, 2011

Those from the male are called sperms or spermatozoa and those from the female eggs or ova.

From Taboo and Genetics A Study of the Biological, Sociological and Psychological Foundation of the Family by Melvin Moses Knight