Semen News and Research

RSS

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.

Hydrogel implant technology offers new hope for women seeking reversible sterilization and endometriosis treatment

Hydrogel implants for reversible fallopian tube occlusion, providing contraception and preventing endometriosis.

19 Jul 2024

Does being obese or overweight reduce semen quality?

Researchers in China found significant associations between obesity and reduced semen quality in men, with the greatest declines in those with severe obesity. The study emphasizes the importance of maintaining a healthy weight for male reproductive health.

16 Jul 2024

Study alerts transwomen to interpret standard prostate cancer screening guidelines with caution

UCSF-led study alerts transwomen and physicians to interpret standard screening guidelines with caution.

28 Jun 2024

Current screening guidelines could miss prostate cancer in transgender women receiving estrogen

Transgender women are still at risk for prostate cancer. A new study led by Cedars-Sinai Cancer investigators, published in the peer-reviewed Journal of the American Medical Association, concludes that current screening guidelines could miss early-stage prostate cancer in transgender women on hormone therapy.

26 Jun 2024

Study: Hepatitis E virus may be both sexually transmitted and linked to male infertility

Discovering that hepatitis E virus is associated with sperm in pigs suggests the virus may be both sexually transmitted and linked to male infertility, according to a new study.

18 Jun 2024

Sperm counts may not be declining globally, study suggests

The widely held view that sperm counts in men are dropping around the world may be wrong, according to a new study by University of Manchester, Queen’s University in Kingston, Canada and Cryos International, Denmark.

8 Jun 2024

Fertility warning: SARS-CoV-2 can linger in sperm for months after infection

Researchers at the University of São Paulo (USP) in Brazil have shown for the first time that SARS-CoV-2, the virus that causes COVID-19, can remain in the sperm of patients for up to 90 days after hospital discharge and up to 110 days after the initial infection, reducing semen quality.

4 Jun 2024

Novel male contraceptive gel suppresses sperm production faster than similar birth control methods

A novel male contraceptive gel combining two hormones, segesterone acetate (named Nestorone) and testosterone, suppresses sperm production faster than similar experimental hormone-based methods for male birth control, according to a new study.

3 Jun 2024

Breakthrough male contraceptive gel shows rapid results in clinical trial

Male contraceptive gel combines hormones for faster sperm production suppression.

3 Jun 2024

The complex relationship between obesity and male reproductive function

Authors have analyzed current evidence on the impact of obesity on the male reproduction system.

9 Apr 2024

Rare condition post-orgasmic illness syndrome explored in depth

Comprehensive review synthesizes current knowledge on post-orgasmic illness syndrome (POIS), a rare condition marked by a range of symptoms following ejaculation, highlighting the need for further research to understand its causes and develop effective treatments.

17 Mar 2024

Zika virus detected in Singapore neighborhood: 15 cases spark renewed vigilance

Entomological, wastewater, and case surveillance of the Zika virus (ZIKV) in Singapore.

26 Feb 2024

Research identifies cancer risk patterns in families of men with fertility problems

For the first time researchers have identified patterns of risk for several different types of cancer in men with fertility problems and their families.

22 Feb 2024

Mediterranean diet linked to better semen quality, study finds

A systematic review reveals that adherence to the Mediterranean diet improves semen quality in men of reproductive age, suggesting a positive impact on male reproductive health.

19 Feb 2024

Does space travel impact the human reproductive system?

How space travel, space radiation, and microgravity affect human reproductive functions.

22 Jan 2024

Semen microbiota might play a crucial role in influencing male fertility

You may have heard about the gut microbiome and its influence on a person's overall health and well-being. It turns out that the same may hold true for the semen microbiome.

18 Jan 2024

New research finds semen microbiome's impact on male fertility

The relationship between semen microbiota and changes in semen parameters.

15 Jan 2024

Air pollution may affect male reproduction via oxidative stress, says study

The implications of exposure to air pollutants on male fertility parameters and sexual health.

3 Jan 2024

Phthalate exposure before conception linked to reduced fertility and hormonal imbalances in women

Study examines the impact of preconception phthalate exposure on women's reproductive health, revealing associations with reduced fecundability, hormonal changes, and increased oxidative stress and inflammation.

1 Jan 2024