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.

Study reveals phthalate exposure harms early sexual development in children

Maternal exposure to phthalates during pregnancy is linked to shorter anogenital distance in 3-year-old boys, a marker of impaired sexual development. Girls showed similar outcomes from their own postnatal exposure, highlighting the lasting hormonal risks of environmental pollutants.

10 May 2025

Low phosphate levels may help explain male infertility, study finds

Men with fertility problems were significantly more likely to have low blood phosphate levels, a mineral essential for energy and reproductive function. Researchers found lower phosphate was linked to poorer sperm motility, suggesting a possible pathway for new fertility treatments.

10 May 2025

COVID-19 lowers sperm count and motility, new study confirms

SARS-CoV-2 infection is linked to significant declines in sperm quality, including reduced sperm count, motility, and increased DNA fragmentation, as shown in both cross-sectional and longitudinal observations.

24 Apr 2025

Aquablation shows promise for treating enlarged prostate with fewer side effects

Using a high-pressure water jet to operate on an enlarged prostate can better preserve the ability to ejaculate, compared with standard laser surgery, finds research.

22 Mar 2025

Oropouche virus: Emerging threats, symptoms, and prevention

Researchers provide an overview of the emerging Oropouche virus.

19 Mar 2025

Low semen quality linked to shorter lifespan

Researchers determine how low semen quality may impact mortality risk.

10 Mar 2025

Partial gland cryoablation offers long-term success for prostate cancer patients

A five-year study on men that had just the cancerous portion of their prostate glands destroyed shows that the procedure averted cancer recurrence in most patients while preserving urinary and sexual function.

6 Mar 2025

How tobacco and cannabis affect male fertility and genetic integrity

A study reveals cannabis and tobacco use harm sperm quality and DNA integrity, with cannabis causing greater damage, raising concerns for reproductive health.

6 Mar 2025

Semen quality linked to longevity in men

Men's semen quality is associated with how long they live according to a study of nearly 80,000 men, which is published today (Wednesday) in Human Reproduction, one of the world's leading reproductive medicine journals.

4 Mar 2025

Surprising study reveals dads’ weight and diet don’t impact baby’s size

A study shows paternal health factors like BMI and diet do not influence birth weight or length, emphasizing maternal diet's critical role in pregnancy.

4 Mar 2025

Researchers achieve a promising breakthrough in bee insemination

Researchers from the University of Liège, as part of the FreezeBEE project, have achieved a promising breakthrough in bee insemination.

7 Feb 2025

Innovative biocontrol technique targets female insects to control mosquito-borne diseases

A genetic biocontrol method which reduces the lifespan of female insects could work as fast as pesticides to reduce populations of disease-spreading mosquitoes and destructive crop pests, according to researchers.

7 Jan 2025

Study reveals evidence of 22 viruses in human semen post-infection

This study uncovers the persistence of 22 viruses in human semen, emphasizing the need for updated public health strategies and insights into fertility impacts.

16 Dec 2024

How alcohol impacts male health

This research explores how alcohol consumption disrupts metabolism, damages the liver, and impairs male reproductive health, emphasizing the complex mechanisms and public health implications.

18 Nov 2024

Traditional Chinese herb shows promise against Alzheimer’s and Parkinson’s

Zizyphi spinosi semen demonstrates neuroprotective effects, improving cognitive function and reducing amyloid and tau pathology in models of aging and dementia.

8 Nov 2024

Ancient herb shows promise in fighting dementia

Attempts to discover a breakthrough dementia drug might be drawing attention these days, but traditional medicinal products can offer hints for preventive medicine.

6 Nov 2024

Scientists detect replication-competent Oropouche virus in semen of traveler, sparking transmission fears

Researchers confirmed the presence of replication-competent Oropouche virus in semen, raising concerns about potential sexual transmission following a traveler's infection.

9 Oct 2024

How carnitine transporters boost reproductive health

Research uncovers the critical role of carnitine transporters in maintaining fertility by regulating energy metabolism and protecting reproductive cells from oxidative stress. It suggests new pathways for treating infertility through carnitine supplementation and targeted therapies.

6 Oct 2024

Study finds microplastics in semen and urine, linking PTFE exposure to lower sperm count

Researchers in China found multiple types of microplastics in human semen and urine, with exposure to PTFE significantly linked to reduced sperm quality, highlighting potential reproductive health risks.

1 Oct 2024

Vitamin B12 boosts testosterone levels in men with infertility

Research finds that higher serum vitamin B12 levels are associated with improved testosterone concentrations in men with infertility, but no impact on other reproductive hormones.

30 Sep 2024