Newly discovered protein helps preserve egg chromosome integrity during aging
Eggs follow a very different developmental path from sperm. Once a male hits puberty, sperm cells are produced…
Amyloid fibers help sperm deliver RNA to mouse embryos
A longstanding mystery about the genetic messages carried by sperm led researchers to investigate an unexpected component of…
New guidance expands reproductive care for people with cystic fibrosis
For much of the history of cystic fibrosis (CF) care, reproductive health was not a major part of…
Like father, like son? Study reveals a surprising pattern in male reproductive health
From sperm quality and testosterone to testicular size, a study of Finnish and Danish father-son pairs investigates how…
Making Babies On Mars Could Be Harder Than Expected, Sperm Study Hints
(© alexkoral – stock.adobe.com) In A Nutshell In a lab machine that mimics weightlessness, fewer human and mouse…
Polystyrene nanoplastics may threaten reproductive health and offspring development
Plastic pollution is increasingly being recognized as more than an environmental problem. Tiny plastic particles can enter living…
Lifestyle factors aggravate genetic causes of male infertility, study finds
Lifestyle factors can worsen the effects of genetic causes of male infertility, finds new research that could help explain…
Paternal sperm epigenetics may help explain early pregnancy loss
When a pregnancy ends early and unexplained, the search for answers usually begins with the mother. Lacey Luense,…
Cooperative sperm may improve fertilization success across diverse arthropods
Fertilization is often imagined as a frantic race, with millions of sperm competing for a single prize. But…
Queensland’s first koala egg and sperm bank created to preserve genetic diversity
Queensland’s first koala egg and sperm bank is being established at a regional university campus in an effort…
Scientists Describe ‘Incredible’ Movements of Fruit Fly Sperm
Tiny fruit flies are packing some seriously big sperm—roughly 40 times larger than human sperm, each one…
Father’s alcohol use before conception impacts offspring development
A growing body of research suggests that a father’s health before conception may play a larger role in…