Explore our Resources

Filter through our resources by category to target your specific need.

Filter by topic

The impact of parental age on intelligence and life span

Men often wonder whether to start families young, despite the challenges of navigating their own adulthood.
Revised on
March 17, 2020
Trying to conceive
Fertility for LGBTQ+ people: Surrogacy, adoption and more

Fertility for LGBTQ+ people: Surrogacy, adoption and more

LGBTQ men face higher emotional and financial costs when building families through foster care, surrogacy, or adoption.
Revised on
March 17, 2020
LGBTQ+ family building
Future possibilities in cryogenic storage

Future possibilities in cryogenic storage

Walt Disney's visionary creations predicted future scientific and societal advances, inspiring stories about his imaginative ge...
Revised on
March 17, 2020
Exploring the science
Age and sperm health

Age and sperm health

Men can freeze sperm to preserve fertility before age-related decline affects sperm quality and health.
Revised on
March 17, 2020
Considering a vasectomy
The risk of genetic mutations with paternal age

The risk of genetic mutations with paternal age

Healthy sperm from older and younger men appear nearly identical under a microscope.
Revised on
March 17, 2020
No items found.
Lifestyle factors that affect your sperm

Lifestyle factors that affect your sperm

One in six couples faces infertility today, with male factor infertility accounting for 30-50% of cases.
Revised on
March 17, 2020
Improving sperm health
How much exercise is too much for your fertility?

How much exercise is too much for your fertility?

Excessive exercise harms physical and mental health, and can reduce libido in men.
Revised on
March 17, 2020
Improving sperm health
Can exercise increase your sperm count?

Can exercise increase your sperm count?

Regular moderate exercise 3-5 times weekly for 6 months improves male sperm quality better than high-intensity interval training.
Revised on
March 17, 2020
Improving sperm health

Newcastle study discovers a gene that could be a breakthrough in male fertility

Understanding genetics' role in fertility empowers informed decisions about your health and family planning.
Revised on
March 17, 2020
Exploring the science

Harvard study finds marijuana use is linked with higher sperm concentrations

As marijuana legalization spreads across U.S. states, questions about its health benefits and risks are intensifying.
Revised on
March 17, 2020
Exploring the science

Study uncovers one cause of male infertility hidden for 150 years

New research finds the motile cilia in a man’s testes actually beat with constant changes in direction.
Revised on
March 17, 2020
Exploring the science

Gene editing: Questions of ethics and standards

UPenn researchers began a 2018 human trial using gene editing to equip immune cells to fight three cancer types.
Revised on
March 17, 2020
Exploring the science

Australia: A “baby drought” down under?

Australia's fertility rate hit a decade-low of 1.8 children per woman in 2015, down from 1.88 in 2014.
Revised on
March 17, 2020
Global fertility statistics

Chlorine and male fertility

A 2011 paper demonstrated a link between the use of chlorinated pools and decreased testicular function.
Revised on
March 17, 2020
Environmental impact on fertility

Overcoming discomfort with sperm testing and freezing

Many men struggle to overcome self-imposed barriers when addressing fertility and health concerns.
Revised on
March 17, 2020
All about sperm freezing

Christianity and fertility care

Major Christian denominations differ on fertility treatment: Protestants allow most procedures but ban donation, Catholics perm...
Revised on
March 17, 2020
Dealing with infertility

Fertility in Kenya: A falling birth rate, shifting demographics, and allocation of government resources

Kenya's fertility rate dropped from eight to four children per woman over four decades, leading East Africa in decline.
Revised on
March 17, 2020
Exploring the science

Fertility in Spain: The “go-to” country for fertility treatments

Spain's 2006 law allows all women over 18 to access IVF and insemination, unlike France's restrictions on single and same-sex c...
Revised on
March 17, 2020
Exploring the science

Rwanda: 300% population increase by 2050?

Rwanda's fertility rate dropped dramatically by two children per mother between 2005 and 2014, defying Sub-Saharan Africa's hig...
Revised on
March 17, 2020
No items found.

Fertility in Egypt: A country of 100M

Egypt's birth rate spiked nine months after the 2011 Arab Spring, reflecting a private revolution amid public upheaval.
Revised on
March 17, 2020
Exploring the science

Chemicals, the alarm bell of male fertility

Men exposed to phthalates and other toxic chemicals face greater fertility risks than women, according to a 2014 study in Ferti...
Revised on
March 17, 2020
Environmental impact on fertility

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

High altitude's low oxygen and rapid dehydration may reduce male fertility, affecting aircraft personnel and frequent flyers di...
Revised on
March 17, 2020
Environmental impact on fertility

LEGACY: Our views on privacy and data collection

Switzerland protects your privacy by ensuring your data belongs only to you, not sold or abused by others.
Revised on
March 17, 2020
No items found.

The impact of laptop use on male fertility

Britons spend 8 hours 41 minutes daily on communication devices—20 minutes more than they sleep.
Revised on
March 17, 2020
Improving sperm health

Fertility in South Korea: On “loner culture” and the “birth strike”

South Korea's densely populated youth increasingly prioritize solitude over collective gatherings, defying traditional Asian va...
Revised on
March 17, 2020
Exploring the science

The impact of sperm DNA fragmentation on fertility

High sperm count, motility, and shape don't guarantee fertility if DNA fragmentation is present.
Revised on
March 17, 2020
Dealing with infertility

Fertility in the USA: The impact of prescription medication

Over half of Americans take prescription medications daily, though not all deliver their intended benefits.
Revised on
March 17, 2020
Exploring the science

Fertility in Germany: The lowest birthrate in the world

Germany's birth rate, once among the world's lowest, has recently improved, ranking 213th out of 226 countries.
Revised on
March 17, 2020
Exploring the science

Misconceptions about age and male fertility

Advanced paternal age reduces conception chances, while women may conceive more easily with younger partners.
Revised on
March 17, 2020
No items found.

Harvard studies effect of obesity on male fertility

Obesity and Male Fertility – Harvard Study Review Concludes Excess Weight a Threat to Sperm Production.
Revised on
March 17, 2020
Exploring the science
How a sedentary lifestyle may affect your fertility

How a sedentary lifestyle may affect your fertility

Sedentary lifestyles increasingly dominate Western daily life as the pace of modern living accelerates.
Revised on
March 17, 2020
Improving sperm health

Is there such a thing as a “safe” herbicide?

Avoiding ATZ herbicide and similar chemicals is prudent given documented health risks and their persistent presence in our food...
Revised on
March 17, 2020
No items found.

Paternal age and adverse birth outcomes

Scientists discovered that fathers pass more genetic mutations to offspring than mothers, a theory first proposed in the 1930s.
Revised on
March 17, 2020
No items found.

Pediatric cancer treatment and future fertility

Male cancer survivors can take proactive steps to protect their fertility despite treatment risks.
Revised on
March 17, 2020
Cancer

Snips and reversals: Vasectomies and male fertility

Vasectomy may cause severe spermatogenic damage initially, with a 20-40% reduction in sperm cells persisting years later.
Revised on
March 17, 2020
Considering a vasectomy

Islam and fertility care

Islam permits infertile couples to pursue fertility treatments like IVF, provided the procedures are for their own use only.
Revised on
March 17, 2020
Dealing with infertility

Judaism and fertility care

Jewish faith encourages procreation, and while IVF is generally permitted, approval varies across Orthodox, Conservative, and R...
Revised on
March 17, 2020
Dealing with infertility

Parental age on the rise in US cities

First-time mothers are older in major cities like New York and San Francisco but younger in rural areas like the South and Grea...
Revised on
March 17, 2020
Exploring the science

Harvard study examines underwear’s effect on fertility

A 2018 study of 656 men found that underwear type correlated with testicular function markers.
Revised on
March 17, 2020
Exploring the science

Does Viagra affect fertility?

Men taking Viagra may assume it boosts fertility, but conflicting research suggests the relationship between the drug and conce...
Revised on
March 17, 2020
Dealing with infertility

Japan: The societal impact of low birth rate

Japan's shrinking population contradicts its reputation for extreme overcrowding and capsule hotels.
Revised on
March 17, 2020
Global fertility statistics

Fertility in Brazil: Is Zika a risk?

Hope Solo faced backlash from Rio crowds over her social media warnings about the Zika virus during the 2016 Olympics.
Revised on
March 17, 2020
Exploring the science

Fertility in China: Examining cultural and environmental barriers to conception

China's One-Child Policy, enforced from 1979, created unintended problems despite aiming to control population growth.
Revised on
March 17, 2020
Exploring the science
Can common household products harm fertility?

Can common household products harm fertility?

New study indicates that the effects of two chemicals could be negative for sperm.
Revised on
March 17, 2020
Environmental impact on fertility
Fertility preservation in the transgender community

Fertility preservation in the transgender community

Trans individuals can preserve sperm or eggs before hormone therapy to enable biological parenthood options later.
Revised on
March 17, 2020
LGBTQ+ family building
Using stem cells to preserve male fertility

Using stem cells to preserve male fertility

A 2019 study shows freezing testicular tissue preserves fertility, though no protocol yet exists to extract sperm from it.
Revised on
March 17, 2020
Exploring the science
Aging in reverse: Babies and older fathers

Aging in reverse: Babies and older fathers

Delaying parenthood carries health risks, but medical advances may make waiting worthwhile for prospective parents.
Revised on
March 17, 2020
Pregnancy & parenthood
Chemotherapy and male fertility

Chemotherapy and male fertility

Cancer survival rates have improved with modern treatments, but chemotherapy can threaten fertility in both men and women.
Revised on
March 17, 2020
Cancer
New Harvard study analyzes connections between diet and male fertility

New Harvard study analyzes connections between diet and male fertility

Exercise and diet both matter for weight management, but nutrition habits are more important than workout intensity.
Revised on
March 17, 2020
Exploring the science

World’s leading male fertility expert, Dr. Paul Turek, joins Legacy advisory board

We sat down with Dr. Turek to demystify the landscape of male fertility.
Revised on
March 17, 2020
Company announcement
Researchers find stressful pregnancies may impact fertility for male offspring

Researchers find stressful pregnancies may impact fertility for male offspring

Prenatal maternal stress is linked to lower testosterone and reduced sperm quality in male offspring.
Revised on
March 17, 2020
Pregnancy & parenthood
Scientists have discovered a “sperm sensor” molecule that could improve fertility

Scientists have discovered a “sperm sensor” molecule that could improve fertility

Yale researchers identified a molecule critical to sperm's ability to reach and fertilize an egg.
Revised on
March 17, 2020
Exploring the science
The undiscussed risks of cancer diagnosis and treatment: How cancer impacts male fertility

The undiscussed risks of cancer diagnosis and treatment: How cancer impacts male fertility

Cancer remains one of medicine's most complex challenges, affecting physical, mental, emotional, and reproductive health.
Revised on
March 17, 2020
Cancer

New study highlights potential impact of steroids

According to Professor Pacey, roughly 9 in 10 anabolic steroid users “are likely to become sterile."
Revised on
March 17, 2020
Exploring the science
Male fertility crisis is now "alarming"

Experts say the male fertility crisis is now “alarming”

Male sperm counts have dropped 50% in four decades, raising urgent fertility concerns.
Revised on
March 17, 2020
Exploring the science

Legacy hosts “Future of Family” event series in NYC

The battle to destigmatize infertility, miscarriage, IVF, and other conception factors begins with broadening awareness.
Revised on
November 17, 2019
Company announcement

Legacy wins gold at the MassChallenge Competition in Boston; top among 125 startups

MassChallenge's 10th Boston cohort awarded Legacy $50K in the healthcare category without taking equity stakes.
Revised on
October 24, 2019
Company announcement
LEGACY: The Future of Fatherhood, Part 2

The Future of Fatherhood, Part 2

Focus on: Fertility — Not Just A Woman’s Issue
Revised on
January 1, 2019
Company announcement
LEGACY: Future of Fatherhood, Part 1

The Future of Fatherhood, Part 1

Focus on: The Male Fertility Crisis
Revised on
January 1, 2019
Company announcement
Future of Fatherhood 2019, Part 3

The Future of Fatherhood, Part 3

Focus on: The State of Fatherhood
Revised on
January 1, 2019
Company announcement

UK’s Independent highlights company’s “quality, privacy, security”

Indy/Venture champions Legacy's "Swiss bank" fertility model
Revised on
December 4, 2018
Company announcement

Legacy wins TechCrunch Disrupt Berlin 2018

The Harvard-incubated ale fertility startup bests 4 finalists to earn coveted $50,000 prize.
Revised on
December 1, 2018
Company announcement

Guide to Sperm Freezing

Revised on
All about sperm freezing

Guide to Testosterone Replacement Therapy

Revised on
No items found.
Load more resources

Test, improve, and freeze your sperm from home.

Any clinician can send a patient to our website to order a kit. But healthcare providers in the Legacy Network can get:

Understand your fertility with the most advanced sperm analysis

Improve your sperm with science-backed supplements

Freeze your sperm with secured multi-site storage standard

Find your plan