Questions tagged [fertility]
22 questions
37
votes
3 answers
Are chemicals in plastic causing a significant reduction in fertility?
This story in the Guardian quotes Shanna Swan, professor of environmental medicine and public health at Mount Sinai school of medicine in New York City. She makes a number of claims about the impact of chemicals used to modify the properties of…
Paul Johnson
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23
votes
1 answer
Does using a laptop on your lap lower your sperm count?
It is sometimes claimed that using a laptop on or in proximity of testicles can result in a lower sperm count. This Health.com article claims:
Can a laptop computer really affect a man’s ability to reproduce?
According to researchers at the State…
eat_a_lemon
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22
votes
1 answer
Can switching from briefs to boxer shorts improve your fertility?
The advice to wear boxer shorts instead of briefs seems reasonable at first glance, since
for testes to produce sufficient
quality and quantity of sperm, the
temperature of testes must be lower
than the core body temperature.
But is the…
Oliver_C
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18
votes
2 answers
Can a single sperm travel alone to an egg and fertilize it?
WebMD writes in its Sperm FAQ:
It takes just one sperm to fertilize an egg and achieve a pregnancy, but for each sperm that reaches and fertilizes an egg, there are millions that don't.
Parenting.com comes writes in Misconception: A Low Sperm…
Christian
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17
votes
2 answers
Are sperm counts in men decreasing significantly?
It is widely believed that sperm counts in men are suffering a significant decline over the last century (e.g. see this article in the Independent which assumes the decline is happening and the only issue is the cause; or see this paper with a…
matt_black
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15
votes
1 answer
Intelligence and number of children?
This wikipedia article on fertility and intelligence (citation missing from wiki article needed for proving this claim) indicates that intelligent people are less fertile. Is this correlated to the number of children as well?
Thus, could one…
chrisjlee
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15
votes
3 answers
Did a Planned Parenthood vice president write a memo discussing fertility reduction?
According to Wikipedia, Frederick Jaffe, former vice president of Planned Parenthood Federation of America and founder of what is now the Guttmacher Institute, wrote a memorandum discussing fertility reduction methods including:
fertility reduction…
Soft wind
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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
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14
votes
0 answers
Do excreted oral contraceptive compounds in drinking water contribute to male infertility?
I've run across several claims about oral contraceptives ("the pill") and how the residuals that enter municipal water supplies via urination cannot be filtered out and may have detrimental effects on animal and human health. One particular claim is…
Hendy
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9
votes
1 answer
Are men more attracted to women who are ovulating over those who are not?
Background
In 2016, a Business Insider article by Rebecca Harrington asserted that there have been multiple studies supporting the notion that men are preferentially attracted to women who are ovulating:
Multiple studies have concluded that men…
isakbob
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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
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8
votes
1 answer
Does eating Okra cause male infertility?
Being a habitual eater of okra (also known as Ladies Fingers), I found myself shocked today to find that its consumption can allegedly cause male infertility:
July 2017 article from Premium Times, Nigeria:
Okra, though very nutritious, can lead to…
csstudent1418
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8
votes
2 answers
Is the fertility rate of women who work over 2 children anywhere in the world?
Does women working outside the home automatically drive below the replacement threshold?
In a developed country, to ensure at least the replacement of its population, the fertility rate needs to be a little over 2 (2.3 I thought; 2.1 according to…
konr
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7
votes
1 answer
Did the Polish birth rate soar because of a curfew imposed in the 1980s?
The Economist states:
Alternatively, jokes its president, Cezary Kazmierczak, it should cut
off power two nights a week to keep Poles at home in the evening. When
a curfew was imposed in the 1980s, the birth rate soared.
Is the above true? And…
user17967
6
votes
1 answer
Can using heated car seats reduce fertility?
A family member warned me not to use heated car seats, since they cause infertility and cancer in both men and women.
I searched the internet for a source for his claims and I found this Telegraph article from 2008 claiming might reduce fertility…
Belle
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