A new study reveal for the first time that the guinea pig pre-implantation embryo is very similar to the human embryo, spurring a better understanding of infertility and early human development.

The American Animal Hospital Association recommends spaying before your dog's first heat cycle: Between five to six months of age for breeds that weigh less than 45 pounds when fully grown Between ...

Researchers reveal that the guinea pig pre-implantation embryo is very similar to the human embryo, spurring a better understanding of infertility and early human development.