Semen News and Research

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Semen is an organic fluid, also known as seminal fluid, that usually contains spermatozoa. It is secreted by the gonads (sexual glands) and other sexual organs of male or hermaphroditic animals and can fertilize female ova. The process of discharge is called ejaculation.

New study finds zinc and folic acid supplements are ineffective at improving male fertility

A study has revealed that taking zinc and folic acid supplements do not improve male fertility as has previously been suspected.

8 Jan 2020

Zinc and folic acid supplements fail to improve fertility in men

Zinc and folic acid, a pair of dietary supplements long touted as an effective treatment for male infertility, failed to improve pregnancy rates, sperm counts, and sperm potency in a new study conducted at University of Utah Health and other medical centers in conjunction with the National Institutes of Health.

7 Jan 2020

Penn researchers track defective sperm epigenome linked to male infertility

One out of eight couples has trouble conceiving, with nearly a quarter of those cases caused by unexplained male infertility. For the past decade, research has linked that infertility to defective sperm that fail to "evict" proteins called histones from DNA during development.

16 Dec 2019

Important discovery about male infertility could lead to new treatments

Using a new mouse model, Penn Medicine researchers have identified defects in the sperm epigenome that cause male infertility.

16 Dec 2019

Transplant patient finds out his DNA has been replaced by that of his donor

A bone marrow transplant recipient later found out that the DNA in his blood and semen had been replaced by that of his donor.

10 Dec 2019

Fertilization discovery reveals egg's role, potentially paves way for new contraceptive

An unexpected discovery about fertilization from the University of Virginia School of Medicine reveals new insights on how sperm and egg fuse and could have major implications for couples battling infertility – and may lead to a future male contraceptive.

13 Nov 2019

Study finds fewer new cases of HCV in HIV-negative men who have sex with PrEP-using men

Data from a new study presented this week at The Liver Meeting – held by the American Association for the Study of Liver Diseases – found fewer new cases of hepatitis C infection (commonly called HCV), despite very high rates of other sexually-transmitted infections, in HIV-negative men who have sex with men who take pre-exposure prophylaxis (PrEP) treatments.

10 Nov 2019

Review: Clitoris is important for reproduction

A recent review published in Clinical Anatomy highlights evidence that the female clitoris is important for reproduction.

6 Nov 2019

Scientists receive $1.6 million grant to study impact of phthalate exposure on male fertility

A cross-disciplinary team of scientists, led by University of Massachusetts Amherst environmental epigeneticist Richard Pilsner, will use a three-year, $1.6 million grant from the National Institute of Environmental Health Sciences to expand research into the impact of phthalate exposure on male fertility.

30 Oct 2019

Simple diet supplement from tomatoes can improve sperm quality

Sperm quality can be improved with a simple diet supplement containing a compound found in cooked tomatoes, according to new research by the University of Sheffield.

8 Oct 2019

Study shows association between mushroom consumption and lower risk of prostate cancer

Results from the first long-term cohort study of more than 36,000 Japanese men over decades suggest an association between eating mushrooms and a lower risk of prostate cancer.

7 Oct 2019

Study shows miRNAs in semen as non-invasive biomarkers for prostate cancer

Researchers of the Human Molecular Genetics group at the Bellvitge Biomedical Research Institute, led by Dr. Sara Larriba, in collaboration with Dr. Francesc Vigués and Dr. Manel Castells of the Urology Service of Bellvitge University Hospital, show the usefulness of certain molecules, the miRNAs in semen, as non-invasive biomarkers for prostate cancer.

26 Sep 2019

Regular consumption of nuts improves sexual function

Researchers from the Human Nutrition Unit of the Universitat Rovira i Virgili (Tarragona/Spain) and the Pere Virgili Health Research Institute have found that consuming 60 grams of nuts a day improves sexual function.

24 Jul 2019

Receptor in the uterus can detect sperm molecule, aids in sperm survival

Why does it take 200 million sperms to fertilize a single egg? The single sperm that reached the finished line has successfully survived multiple checkpoints within the female reproductive tract, dubbed as pre-fertilization events. Now, a new study shows that the uterus contains receptors that facilitate sperm survival.

19 Jul 2019

Raman Spectroscopy as a Universal Analytical Technique for Bodily Fluids

Professor Igor K. Lednev explains why Raman spectroscopy could replace biochemical tests for the analysis of bodily fluids in forensic science.

From Pittcon 16 Jul 2019

Nanotechnology-based compound used to deliver hepatitis B vaccine

Nanotechnology-based compounds are now being tested as a possible delivery vehicle for vaccines. A team of researchers demonstrated how the oral delivery vehicle SBA-15, one such nanotechnology-based compound can deliver an oral vaccine against hepatitis B to the immune system.

11 Jul 2019

Long-term cryopreservation of semen does not affect future clinical outcomes

Despite a time limit imposed in many countries on the freeze-storage of sperm, a new study from China has found that the long-term cryopreservation of semen in a sperm bank does not affect future clinical outcomes

25 Jun 2019

A 'health number' that could tell about prostate disease

When it comes to staying on top of your health, doctors often tell you how important it is to "know your numbers." Blood pressure, cholesterol and body mass index can tell you a lot about your heart health, but if you're a man, you need to know one more - your PSA, or prostate-specific antigen.

18 Jun 2019

Overweight men contribute to increase in fertility problems

About 15% of couples in fertile age have experienced fertility problems. Men contribute to 50% of the cases when a couple cannot achieve the desired pregnancy.

17 Jun 2019