Testicular sperm aspiration (TESA) is a simple male fertility procedure used to obtain sperm in men with obstructive azoospermia. Once your surgeon collects your sperm with TESA, the sperm can be used ...

FSH levels and testicular volume can help determine ... due to a production issue. Aspiration of Microepididymal Sperm (MESA) MESA is a surgery for males who have vasal or epididymal blockage ...

remove sperm from the testicle using a needle and syringe (aspiration). You usually have a local anaesthetic for this procedure remove a small amount of testicular tissue and check for sperm in the ...

BARCELONA, Spain — For women trying to become pregnant using intracytoplasmic sperm injection (ICSI), testicular sperm aspiration is better than ejaculated sperm, results from a new study suggest.

In azoospermic patients, who have undergone testicular sperm extraction or percutaneous epididymal sperm aspiration, sperm cryostorage is also used to avoid repeated biopsies or aspirations.

Imagine a future where a diagnosis of untreatable male infertility is no longer the end of the road—because science has found a way to produce human sperm from lab-engineered testicular tissue.

An undescended testicle stays up in the body, so it has a higher temperature. That causes a lower sperm count and quality, decreasing a man’s chances of being able to fertilize a woman’s egg ...

Hsu hadn’t reached puberty yet, so sperm banking wasn’t an option. His parents enrolled him in a study that was collecting and storing immature testicular tissue, and the sperm-forming stem ...