infertile

(Newser) - A regulator has approved a world-first vaccine to protect koalas from chlamydia, which is causing infertility and death in the iconic native species listed as endangered in parts of Australia. The single-dose vaccine was developed by Queensland's University of the Sunshine Coast after more than a decade of research...

(Newser) - British doctors have performed successful uterus transplants in rabbits, meaning they could try the procedure on a human woman in as little as two years. Researchers say they’ve solved the blood supply problems that have until now bedeviled uterus transplants; a Saudi woman tried the procedure in 2000, but...

(Newser) - A newly identified gene that causes a type of male infertility may be the key to eventually developing a male oral contraceptive pill, the Independent reports. The gene, CATSPER1, enables sperm to wriggle through the outside of an unfertilized egg. A drug that could switch the gene on and off...

(Newser) - Soy-based foods could be the root of lower sperm counts in men, a new study finds. Men who consumed more than two portions of soy-based foods a week had, on average, 41 million fewer sperm per milliliter of semen than men who avoided such products. The cheap source of protein...