But science is beginning to learn that various chemicals in the female reproductive system can facilitate – or sabotage – that sperm’s chance for victory. And it appears to happen at an early stage in ...

An experimental study from researchers in the Perelman School of Medicine at the University of Pennsylvania links a specific procedure - embryo culture - that is part of the assisted reproduction ...

The mice scurrying around their cage in Katsuhiko Hayashi’s laboratory do not look remarkable. They run, eat and sleep like others of their kind. But these eight rodents have an unusual origin story, ...

Giving birth is never easy, and potential mothers often need help from a midwife. New research suggests that rule extends even to amoebas, single-celled creatures that reproduce by splitting apart ...

Plant scientists have succeeded in unraveling the complete genome sequence of the common primrose -- the plant whose reproductive biology captivated the Victorian naturalist Charles Darwin. The ...

Researchers have lifted fertility rates in older female mice with small doses of a metabolic compound that reverses the aging process in eggs, offering hope for some women struggling to conceive. The ...

Genetic quality or genetic compatibility? What do female fruit flies prioritize when mating? Researchers show that both factors are important at different stages of the reproductive process and that ...