The articles in this special issue highlight the diversity and complexity of research into reproductive health, including the need for a better understanding of the fundamental biology of reproduction ...

As it is, the options for men wanting to prevent pregnancy are scant ― use a condom, depend on the very undependable pull-out ...

A team of stem cell scientists have successfully used embryonic stem cell engineering to create a bi-paternal mouse -- a mouse with two male parents -- that lived until adulthood. Their results ...

A Mississippi state senator has ignited a nationwide conversation with his introduction of the “Contraception Begins at Erection Act.” State Sen. Bradford Blackmon, a first-term Democrat, introduced ...

Zhou et al. present a multivariate GWAS on pubertal timing, identifying 18 novel variants. The results suggest associations of earlier puberty with accelerated ageing and higher risks of ...

Uncovering the Role of Y Chromosome Genes in Male Fertility in Mice Jan. 23, 2025 — Researchers have uncovered which genes on the Y chromosome regulate the development of sperm and impact ...

“They can be used as a stamina training device to help men become more acclimated to the pleasurable sensations of sex, so that [their] nervous system isn’t as overloaded as it would be when ...

Knee osteoarthritis has a sex-specific phenotype with post-menopausal persons experiencing the highest incidence. Here the authors investigate the underlying mechanisms in a mouse model of ...

The Massachusetts Male Aging Study surveyed 1,709 men aged 40–70 years ... To look for evidence of systemic problems, such as the following: A problem in the nervous system may be involved if the ...