Skeptics Stack Exchange
Skeptics Stack Exchange

Questions tagged [sperm]

7 questions
44
votes
2 answers

Does the DNA of one sperm contain 37.5 MB of information?

[Source] In an episode of the BBC show QI - Quite Interesting (Series J, Episode 1) Stephen Fry said: How much information do you think is in the DNA of one little sperm...? It's 37.5 MB... ...a normal male ejaculation, if there is such a thing,…
Oliver_C
  • 47,851
  • 18
  • 213
  • 208
15
votes
2 answers

Does riding a bicycle reduce sperm count/male fertility?

Related Does using a laptop on your lap lower your sperm count? Can switching from briefs to boxer shorts improve your fertility? I've heard that riding a bicycle, especially for extended periods of time reduces sperm count/fertility. HERE's an…
Hendy
  • 21,665
  • 17
  • 116
  • 179
11
votes
1 answer

Does pre-ejaculate typically contain sperm?

It is typically believed that pre-ejaculate contains sperm, for example Guys leak a bit of sperm out of the penis before ejaculation. This is called pre-ejaculate. source Does a man's pre-ejaculate fluid contain sperm typically?
Sam I Am
  • 8,775
  • 7
  • 48
  • 71
11
votes
1 answer

Did Newton declare that he had never lost a single drop of his seminal fluid?

This book A Mind of Its Own: A Cultural History of the Penis contains the following sentence: Isaac Newton supposedly “never lost a single drop of seminal fluid. And in Everybody's Own Physician; Or, How to Acquire and Preserve Health ...: Newton…
Alexan
  • 463
  • 5
  • 12
10
votes
0 answers

Does sexual position affect the chances of conception?

I have seen the claim that some sexual positions are better for getting pregnant than others. For example this article on how to have baby-making sex claims: Be a missionary It might seem like the boring way to get intimate, but the missionary…
Tom77
  • 11,605
  • 8
  • 61
  • 87
9
votes
0 answers

Does frequent cell phone use reduce the sperm count of men?

Possible Duplicate: Does the presence of a cellphone affect sperm count or heart rate? Is cell phone use harmless or is there a chance that it lowers the sperm count of men? New independent studies offer proof that confirms findings from the …
Christian
  • 33,271
  • 15
  • 112
  • 266
4
votes
1 answer

Does avoiding ejaculation before conceiving help in healthier and stronger children?

I have read this from friends and is mostly around in subcontinent that in order to get healthier babies (with no defects and good health), one should avoid ejaculation for a couple of days before trying for pregnancy. Is this true?
TheTechGuy
  • 2,772
  • 6
  • 26
  • 37