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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.

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

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

Men who regularly lift heavy objects at work have higher sperm counts, study suggests

A new study from researchers from Brigham and Women's Hospital, a founding member of the Mass General Brigham healthcare system, suggests that men who regularly lift heavy objects at work have higher sperm counts.

22 Feb 2023

Step-by-step process of rewiring cells to generate germ cell precursors

Different cell types-;say, heart, liver, blood, and sperm cells-;possess characteristics that help them carry out their unique jobs in the body.

21 Feb 2023

Exploring geographical variations in sperm quality in the continental US

A study published in The World Journal of Men’s Health provides an up-to-date report on the geographical differences in sperm parameters among a group of men residing in six regions of continental US.

21 Feb 2023

An oral and on-demand male contraceptive

Researchers identify a soluble adenylyl cyclase (sAC) inhibitor that has the potential to be used as an on-demand oral contraceptive for men.

16 Feb 2023

Nut consumption and its impact on human and environmental health

Researchers examine the impacts of nut consumption on human health and the environment.

16 Feb 2023

Study could lead to a safe, on-demand and reversible oral contraceptive for men

In a mouse study, researchers funded by the National Institutes of Health have identified a potential non-hormonal contraceptive that men could take shortly before sexual activity and have fertility restored the next day.

14 Feb 2023

The impact of viral infections on the human endocrine system

Researchers briefly outlined how viral infections trigger endocrinopathies in humans.

3 Feb 2023

New candidate molecule could become an effective non-hormonal male contraceptive

Despite birth control existing for decades, almost none of the options specifically target sperm cells. Researchers are now developing approaches that target testosterone or otherwise interrupt the sperm's ability to fertilize an egg, yet these may not work for everyone.

30 Jan 2023

Sperm News and Research

Further Reading

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

Technology-assisted pregnancies increase the likelihood of preeclampsia

Men who regularly lift heavy objects at work have higher sperm counts, study suggests

Step-by-step process of rewiring cells to generate germ cell precursors

Exploring geographical variations in sperm quality in the continental US

An oral and on-demand male contraceptive

Nut consumption and its impact on human and environmental health

Study could lead to a safe, on-demand and reversible oral contraceptive for men

The impact of viral infections on the human endocrine system

New candidate molecule could become an effective non-hormonal male contraceptive

Expanding research and clinical options for children with cancer

Examining how pain could play a direct protective role in the gut

From Puberty to Menopause: Clue’s CEO, Audrey Tsang on the Power of Femtech

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