Azoospermia is a male medical condition of not having measurable level of sperm in his semen. This condition is associated with low levels of infertility. It is of two types, one is obstructive azoospermia and the other is non-obstructive azoospermia. In obstructive azoospermia sperm are generated but they won’t be mixed wi…

An estimated of 10-15% of the couple are classified as infertile. In about half of the cases male infertility is a factor. Most common causes of male infertility are impaired sperm production, impaired sperm delivery and testosterone deficiency. Infertility is the result of some problems that are present during the time of bi…

It’s not just women who have a ticking biological clock, according to a study that has found the chances of men fathering children fall with every passing year once they reach middle age. Analysis of patients at an infertility clinic found that the chances of a man getting his wife pregnant dropped by 7 per [...]

Scientists have found a way to prevent HIV from damaging the immune system and say their discovery may offer a new approach to developing a vaccine against AIDS. Researchers from the United States and Europe working in laboratories on the human immunodeficiency virus (HIV) found it is unable to damage the immune system if cho…

New technique gives cats protection genes… Mayo Clinic researchers have developed a genome-based immunization strategy to fight feline AIDS and illuminate ways to combat human HIV/AIDS and other diseases. The goal is to create cats with intrinsic immunity to the feline AIDS virus. The findings — called fascinating…