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The term sperm refers to the male reproductive cells. In the types of sexual reproduction known as anisogamy and oogamy, there is a marked difference in the size of the gametes with the smaller one being termed the "male" or sperm cell. The human sperm cell is haploid, so that its 23 chromosomes can join the 23 chromosomes of the female egg to form a diploid cell.

Male alcohol consumption before conception causes facial growth defects in offspring

According to the U.S. Surgeon General, women should not drink alcoholic beverages during pregnancy because of the risk of birth defects in their unborn child.

12 Apr 2023

Time-restricted fasting affects reproduction differently in males and females

Time-restricted fasting diets could cause fertility problems according to new research from the University of East Anglia.

12 Apr 2023

New microfluidic technology enables reliable selection of high-quality sperm for IVF success

Scientists have developed new technology to help couples undergoing in-vitro fertilization (IVF) due to male fertility problems to increase their chances of success in having a baby.

6 Apr 2023

Antioxidant supplementation shows potential to improve male fertility

A new study discusses the benefits of antioxidant supplementation on male fertility.

4 Apr 2023

How does nutrition affect female fertility?

A new study reviews current evidence supporting the role of nutrition as a modifiable risk factor for female infertility and poor IVF outcomes.

4 Apr 2023

Study explores the experiences and attitudes of men who were sperm donors over 10 years ago

A study aimed to analyze the attitudes and experiences of Danish men who were sperm donors more than ten years ago.

31 Mar 2023

Discontinuing use of THC may reverse its effects on male fertility

A 2022 study from Oregon Health & Science University researchers confirmed that chronic use of cannabis may greatly impact male fertility and reproductive outcomes in nonhuman primates - but it was unclear whether the effects are permanent.

27 Mar 2023

Age-induced methylation changes in the sperm epigenome contribute to offspring's medical problems

A new research paper was published in Aging (listed by MEDLINE/PubMed as "Aging (Albany NY)" and "Aging-US" by Web of Science) Volume 15, Issue 5, entitled, "Age-related methylation changes in the human sperm epigenome."

21 Mar 2023

Research evaluates the effects of physical agents on male fertility

A recent study published in The Archives of Italian Urology and Andrology summarized work-related risk factors of male infertility.

21 Mar 2023

Shorter ejaculation abstinence times linked to better reproductive outcomes during fertility treatments

Researchers evaluate the association between ejaculatory abstinence time, rates of pregnancies and live births, and DNA fragmentation.

20 Mar 2023

ANDRONET COST Action aims to improve research, education, and public awareness in andrology

Raising awareness of male health: ANDRONET COST Action to improve research, education, and public awareness in the field of andrology.

13 Mar 2023

Study sheds new light on a key protein involved in the process of spermiation

In order to achieve good times in their races, many Olympic swimmers wear swimsuits that are low in water resistance.

13 Mar 2023

Vasectomies less likely to cause complications than expected, study shows

Vasectomies are much less likely to cause complications than expected, according to a new UK study reviewing the outcomes from over 90,000 vasectomies performed over 15 years.

13 Mar 2023

What is the effect of low Anti-Müllerian hormone on semen quality?

A recent BMC Medicine study investigated the relationship between Vitamin D and serum Anti-Müllerian hormone (AMH) in infertile men. This study was based on secondary analysis of a randomized clinical trial, which assessed the effect of high-dose Vitamin D plus calcium and placebo on semen quality in Vitamin D deficient infertile men.

10 Mar 2023

Early safety and efficacy results on a contraceptive vaginal film that inactivates sperm

The current study aimed to explore the contraceptive potential of the human contraceptive antibody-containing vaginal film called ZB-06.

7 Mar 2023

Common scientific method to analyze DNA in early human embryos fails to accurately reflect gene edits

A commonly used scientific method to analyze a tiny amount of DNA in early human embryos fails to accurately reflect gene edits, according to new research led by scientists at Oregon Health & Science University.

7 Mar 2023

First-in-woman study of a non-hormonal vaginal film showed safety, potential contraceptive efficacy, and supports future development

Researchers developed a novel contraceptive 'ZB-06' a vaginal film containing a human contraceptive antibody called HC4-N that agglutinates sperm.

7 Mar 2023

New book unravels the greatest mysteries of menstruation

A new book from University of Illinois Urbana-Champaign anthropology professor Kathryn Clancy takes an unflinching look at the many ways humans have struggled – and often failed – to understand one of the greatest mysteries of human biology: menstruation.

1 Mar 2023

University of Miami researcher awarded $3.25 million DOD grant to treat male infertility after spinal cord injury

Emad Ibrahim, M.D., director of the Male Fertility Research Program at The Miami Project to Cure Paralysis and the clinical andrology lab at the Desai Sethi Urology Institute at the University of Miami Miller School of Medicine, has been awarded a $3.25 million grant by the Department of Defense for a four-year study on the use of an oral medication to treat an infertility issue that affects most men with spinal cord injury.

27 Feb 2023

Technology-assisted pregnancies increase the likelihood of preeclampsia

People who became pregnant using assisted reproductive technologies were found to be over twice as likely to develop preeclampsia than those with traditional pregnancies, according to a study presented at the American College of Cardiology's Annual Scientific Session Together With the World Congress of Cardiology.

24 Feb 2023

Sperm News and Research

Further Reading

Male alcohol consumption before conception causes facial growth defects in offspring

Time-restricted fasting affects reproduction differently in males and females

New microfluidic technology enables reliable selection of high-quality sperm for IVF success

Antioxidant supplementation shows potential to improve male fertility

How does nutrition affect female fertility?

Study explores the experiences and attitudes of men who were sperm donors over 10 years ago

Discontinuing use of THC may reverse its effects on male fertility

Age-induced methylation changes in the sperm epigenome contribute to offspring's medical problems

Research evaluates the effects of physical agents on male fertility

Shorter ejaculation abstinence times linked to better reproductive outcomes during fertility treatments

ANDRONET COST Action aims to improve research, education, and public awareness in andrology

Study sheds new light on a key protein involved in the process of spermiation

Vasectomies less likely to cause complications than expected, study shows

What is the effect of low Anti-Müllerian hormone on semen quality?

Early safety and efficacy results on a contraceptive vaginal film that inactivates sperm

Common scientific method to analyze DNA in early human embryos fails to accurately reflect gene edits

First-in-woman study of a non-hormonal vaginal film showed safety, potential contraceptive efficacy, and supports future development

New book unravels the greatest mysteries of menstruation

University of Miami researcher awarded $3.25 million DOD grant to treat male infertility after spinal cord injury

Technology-assisted pregnancies increase the likelihood of preeclampsia

Evaluating new approaches for rare disease genomics

Expanding access to NMR with the Fourier 80 Duo

Advancing Intracellular Delivery with LumiPore®

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