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  • "hummingbird" started this thread

Posts: 1

Reg: Sep 11th 2008

Location: Barnet

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Friday, September 12th 2008, 8:28pm

exercise and sperm quality

Just wondering what people think the effects of exercise is on sperm quality.

Generally, marathon training as well as cycling is considered to have a negative impact on sperm quality. Endurance training can also reduce testerone levels.

The general advice is moderate exercise is good for sperm production.

What is considered moderate?
Is 3,4,5 one-hour session times a week considered moderate

What is the relations of cardiovascular exercise, weight training, aerobic and anaerobic to sperm quality.

Is there is official research out there?

This post has been edited 1 times, last edit by "hummingbird" (Sep 12th 2008, 8:29pm)



Posts: 7,427

Reg: Feb 26th 2007

Location: Edinburgh

Children: one very special daughter

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Friday, September 12th 2008, 8:48pm

RE: exercise and sperm quality

Hi there and welcome to FZ!

I'm afraid I don't have scientific answers for your specific queries but we asked a consultant we saw the same question about 'what is moderate'.
My DH cycles to and from work each day (10 - 15 mins each trip). In addition he does one of the following on most days for roughly 40 mins - climbs, swims, runs, weight trains, pilates, energetic yoga. The consultant was not concerned by this level of exercise.

There is definitely research out there and if you trawl the web I'm sure you'll come across links to papers or their abstracts.

I did come across this which you might find interesting (there's an 'exercise and sperm' heading on this page):…/part1_4-2.html

**Admin/Moderator note - This post contains an unconfirmed link/information and readers are reminded that is not responsible for the content of external internet sites**

me 38, DP 44, ttc since 2005
BFP May 07 - HB seen @ 8 wks but CRL only 7 weeks, m/c @ 9 wks
BFP Jan 08 -m/c @ 11 wks (D&C)
BFP Jun 08 - early loss
BFP Dec 08 - HB & CRL ok @ 8 wks, but sac too small, m/c @ 9 wks
BFP Apr 09 - Martha born 9th Jan 2010
BFP Feb 12 - Eliza born 13th Oct 2012

Posts: 190

Reg: Feb 15th 2008

Location: west sussex

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Friday, September 12th 2008, 8:51pm

:wave: Welcome to :FZ:

Sorry i don't think i can answer your question, but i'm sure someone will have some idea .

Good luck on your ttc journey




Posts: 3,648

Reg: Jan 30th 2008

Location: Outer London

Children: Soon !!

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Friday, September 12th 2008, 9:15pm

Hi There and Welcome to Fz :smile:

I dont know specific answers to what is considered moderate?
However what I do know is that heat affects sperm.
The testicles are set below the groin area to protect them from exessive heat.
Heat damages Sperm prodcution and there fore it is advised to try not to get them too hot , as is seen with drivers for example when they sit on that area all day.

I think this could be the reason as to why excessive excersize is discouraged.
I was once told by the doctor that men should run cold water over the area to invigorate the sperm and production and counteract over heating .
*this is just my opinion and not endorsed by fz*

Take a look at some of these links
Sperm Quality / Quantity - Some Tips
Also you may want to introduce yourself to the newbie section

My best advice would be to consult your doctor and get them to advise you of what is actually determined as Moderate.

Wishing you the best of luck
Holly x

AZOOSPERMIA confirmed 01/2008
TESE sucessfull 08/09
Reconstruction failed 11/09 .
Icsi June 13 - Bfn
Feb2014 = Natural cycle icsi bfn