The role of basic amino acids of the seminal plasma in fertility.

The role of basic amino acids in male infertility is discussed. The changes in the arginine, ornithine and total amino acid concentrations of the seminal plasma in various types of pathospermia are commented upon in the light of published evidence and of the authors' own observations. A recent procedure (CV-technique) introduced by the authors into the routine investigation scheme of infertility is reported. The method detects the arginine-deficient type of pathospermia, thus contributing to the possibility of its selective correction.