Tag: motility

Sperm Stories, Part II

In Part I of Sperm Stories, we talked about how temperature—both cold and hot—affects sperm production, swimming speed, and quality. In this article, we’ll take a look at several recent studies explore non-temperature-related factors. Turn off th…

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Sperm Stories, Part I

No one is quite sure why, but over the past few decades, there has been a major decline in the quality of men’s semen (the fluid that contains the sperm) and fertility rates throughout the industrialized world. As you might expect, there’s no short…

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Give Yourself a Hand

Dear Mr. Dad: My wife and I have been trying to conceive for nine months and our fertility doctor is suggesting that we consider IVF (in-vitro fertilization). Step one is for me to bring in a sperm sample for analysis. What are...

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