Accessed April 25, Testicle Biopsy A testicular biopsy can be used to diagnose lumps, causes of infertility, and obtain sperm for in vitro fertilization. However, the probability of a problem is lower when the values are all normal. Erectile dysfunction and diabetes Erectile dysfunction dietary supplements Erectile dysfunction treatment: A normal result for sperm shape is that more than 50 percent of sperm are normally shaped.
Sperm analysis is a non-invasive method to probability that there is a male factor problem in fertility.
When Do You Need a Sperm Analysis, and How Does It Work?