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When is sperm most potent?

For healthy semen samples collected between 5:00am and 7:30am were found to exhibit a statistically higher sperm concentration, total sperm count and a higher percentage of normally shaped sperm, compared to samples produced later in the day. Sperm motility was not influenced by the time of sample production.

What are 3 examples of indicators?
What are 3 examples of indicators?

Some examples of indicators are Litmus, turmeric, phenolphthalein, etc. Any material that offers a visual evidence of the presence or absence of a...

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How long does it take for turmeric to work?
How long does it take for turmeric to work?

around 4-8 weeks So, how long does it take turmeric to work? Depending on your body mass and condition, it will usually take around 4-8 weeks for...

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The time at which a sperm sample is produced may influence its quality, according to a new study. Researchers at the University Hospital of Zurich, Switzerland, analysed 12,245 semen samples from 7068 men, between 1994 and 2015. The researchers, led by Dr Min Xie, found that semen quality varied with the time of day and year that the sample was produced. The samples were examined for sperm concentration, total sperm count, progressive motility and sperm shape. For healthy semen samples collected between 5:00am and 7:30am were found to exhibit a statistically higher sperm concentration, total sperm count and a higher percentage of normally shaped sperm, compared to samples produced later in the day. Sperm motility was not influenced by the time of sample production. The 7468 samples that had abnormal characteristics showed a similar pattern. For these samples, sperm concentration was found to be highest when the sample was collected between 5:00am and 7:30am. Sperm movement was best in samples produced between 8:31am and 10:00am. Sperm shape was not influenced by the time of collection for these samples. In addition to circadian variation, semen quality also varied by season. Sperm concentration and total sperm count were found to be significantly higher during the spring months and significantly lower during summer. There was no yearly variation in sperm motility, but a higher proportion of normally shaped sperm was observed in summertime samples.

The causes of the daily and seasonal variations are not conclusively known.

'The most likely cause for the circannual variation of semen quality is the effect of photoperiod, eg the length of daylight,' the authors write in the paper. Hormones such as melatonin, testosterone and cortisol, which exhibit their own circadian patterns of expression, could be responsible for the daytime fluctuations observed in semen quality, the authors hypothesise. The semen samples included in the study were produced within a 12-hour window from 5:00am to 17:00pm. The authors acknowledge that they 'lack data on the (late) evening, when sexual activity is highest'. As a result, further research is required to achieve a full understanding of the circadian fluctuations of semen parameters. However, the production of semen samples before 10:00am could 'be used to improve natural fertility as well as fertility resulting from assisted reproduction', they state, adding that timing sample collection is one of the few ways to improve semen quality.

The study is published in the journal Chronobiology International.

How do you urinate without a prostate?
How do you urinate without a prostate?

An inflatable cuff that is placed around the upper urethra. The cuff closes off the urethra to prevent leakage of urine. A pump that is inserted...

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How can I check my prostate at home?
How can I check my prostate at home?

Besides an at-home PSA blood test, there is no easy way to test yourself for prostate cancer at home. It's recommended to see a physician for a...

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Imagine Your Moment Of Freedom!
Imagine Your Moment Of Freedom!

Fluxactive Complete is conveniently packed with over 14 essential prostate powerhouse herbs, vitamins and grade A nutrients which work synergistically to help you support a healthy prostate faster

Learn More »

Can you take vitamin D with saw palmetto?

No interactions were found between saw palmetto and Vitamin D3. However, this does not necessarily mean no interactions exist. Always consult your healthcare provider.

This report displays the potential drug interactions for the following 2 drugs:

Edit list (add/remove drugs)

No interactions were found between saw palmetto and Vitamin D3. However, this does not necessarily mean no interactions exist. Always consult your healthcare provider.

saw palmetto

A total of 25 drugs are known to interact with saw palmetto.

Saw palmetto is in the drug class herbal products.

Saw palmetto is used to treat the following conditions: Benign Prostatic Hyperplasia (off-label) Herbal Supplementation

Vitamin D3

A total of 67 drugs are known to interact with Vitamin D3.

Drug and food interactions

No alcohol/food interactions were found. However, this does not necessarily mean no interactions exist. Always consult your healthcare provider.

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Why is my body odor worse after surgery?

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What dissolves artery plaque?

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Imagine Your Moment Of Freedom!

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Can you reverse artery blockage?

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Do pumpkin seeds help urine flow?

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