Male fertility basics

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How prescribed medication may impact male fertility

Prescribed medications such as chemotherapy and hormone therapy can have a long-term impact on sperm.
Revised on
July 18, 2023

What is sperm quality?

Let’s learn more about sperm quality, including sperm morphology, motility, and DNA fragmentation.
Revised on
July 27, 2023

Sperm 101: What is sperm and how is it produced?

A technical explanation of what exactly sperm is — plus we'll debunk some common misconceptions about sperm.
Revised on
July 28, 2023

Sperm DNA fragmentation: A comprehensive guide

Sperm DNA fragmentation can lead to male-factor infertility, IVF failure, and miscarriage.
Revised on
July 28, 2023

Male fertility: An overview

The fundamentals of sperm, semen, reproductive anatomy, sexual health, and hormones.
Revised on
August 15, 2023
Aging in reverse: Babies and older fathers

Aging in reverse? The risks & benefits of having kids later in life

Does waiting to have kids pose risks that could offset perceived benefits?
Revised on
March 17, 2020
How much exercise is too much for your fertility?

How much exercise is too much for your fertility?

For men in particular, intense exercise has been demonstrated to negatively effect libido.
Revised on
March 17, 2020
Can exercise increase your sperm count?

Can exercise increase your sperm count?

It takes 6 months of frequent exercise for men to notice an improvement in their sperm when exercising.
Revised on
March 17, 2020

Flying, skiing, and hiking: The link between high altitude and lower male fertility

A host of research studies suggest that the effects of high altitude could extend to male fertility.
Revised on
March 17, 2020

The impact of sperm DNA fragmentation on fertility

Studies indicate DNA fragmentation impacts fertility and healthy pregnancies.
Revised on
March 17, 2020

Misconceptions about age and male fertility

A new study indicates that a couple’s chances of having a baby decrease as the father ages.
Revised on
March 17, 2020

Harvard studies effect of obesity on male fertility

The review concluded that excess weight is a threat to sperm production.
Revised on
March 17, 2020
How a sedentary lifestyle may affect your fertility

How a sedentary lifestyle may affect your fertility

A 2016 study detected some negative associations between a sedentary lifestyle and testicular function.
Revised on
March 17, 2020

Paternal age and adverse birth outcomes

A new study suggests that older fathers might be responsible for several increased risks at the time of birth.
Revised on
March 17, 2020

Harvard study examines underwear’s effect on fertility

Men who wore boxers more often had higher sperm concentration & count compared to men who wore other styles.
Revised on
March 17, 2020
Adult with arm around child's shoulders walking on outdoor basketball court holding a basketball.

Does Viagra affect fertility?

Erectile dysfunction drugs could be helpful to men with poor sperm quality.
Revised on
March 17, 2020
Unexpected risks to male fertility

Unexpected risks to male fertility

Unfortunately, there are a number of risks to your fertility that you may not be aware of.
Revised on
March 17, 2020
Epigenetic inheritance: Can fathers pass on experiences through their genes?

Epigenetic inheritance: Can fathers pass on experiences through their genes?

Can children inherit more than a parent’s blue eyes, hammer toes, or disease-prone genes?
Revised on
March 17, 2020
Adult with arm around child's shoulders walking on outdoor basketball court holding a basketball.

The impact of parental age on intelligence and life span

Most men wonder about the right age to start a family, if at all.
Revised on
March 17, 2020
Age and sperm health

Age and sperm health

Why would any man consider freezing his sperm? Don’t they last forever?
Revised on
March 17, 2020
The risk of genetic mutations with paternal age

The risk of genetic mutations with paternal age

The genetic quality of sperm from younger men is generally much better than that of older men.
Revised on
March 17, 2020
Lifestyle factors that affect your sperm

Lifestyle factors that affect your sperm

Couples in the modern world are facing more fertility issues than ever before.
Revised on
March 17, 2020
Adult with arm around child's shoulders walking on outdoor basketball court holding a basketball.

An overview of sperm anatomy & morphology

But what is sperm? What are its components, and what are those components made of?
Revised on
May 1, 2020
Adult with arm around child's shoulders walking on outdoor basketball court holding a basketball.

The impact of exercise on sperm health

Research indicates moderate exercise increases sperm production.
Revised on
May 19, 2020

Exercise and sperm health

Research suggests that moderate exercise may improve sperm health.
Revised on
August 3, 2020
Sleep and male fertility

Sleep and male fertility

Let’s explore the connection between sleep and male fertility to find out what you should keep in mind.
Revised on
February 5, 2021
What is semen, and how does semen affect fertility?

What is semen, and how does semen affect fertility?

It contains sperm, of course, but sperm only constitutes about 5% of the overall semen volume.
Revised on
March 18, 2021
Male fertility myths, debunked: 5 facts you should know

Male fertility myths, debunked: 5 facts you should know

These are the top five male fertility myths, debunked—and everything you need to know about infertility.
Revised on
April 18, 2021
Steroids and male fertility

Steroids and male fertility

Lifestyle factors play a big role when it comes to fertility and sperm improvement.
Revised on
April 26, 2021
Varicocele and male fertility

Varicocele and male fertility

If you’ve been diagnosed with varicocele, you may want to know if varicocele will affect your fertility.
Revised on
April 27, 2021
Adult with arm around child's shoulders walking on outdoor basketball court holding a basketball.

Sugar and male fertility

Diet may play a crucial role when it comes to male fertility and sperm improvement.
Revised on
May 6, 2021
lube-sperm-health-male-fertility

Can lube affect sperm health or fertility?

Many couples use personal lubricant to improve the experience of having sex while trying to conceive.
Revised on
May 26, 2021
Man around - male fertility after 35

Male fertility after age 35: What changes (and what doesn’t)?

The myth that only women have a biological clock is misleading, but the research tells a more nuanced story.
Revised on
March 2, 2026
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Legacy provides clinical-quality semen analysis and cryopreservation services through CLIA-certified laboratories. A semen analysis is an important step toward understanding your reproductive health and fertility potential. Legacy facilitates access to qualified medical providers to ensure continuity of your care. Sperm cryopreservation can help preserve your ability to pursue assisted reproductive techniques in the future; however, storage does not guarantee future reproductive success. Legacy’s services are currently only available to clients within the United States.
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