No. The probability of finding spermatozoa with a testicular biopsy is high, but it is not 100%. The cause of the absence of sperm in the ejaculate is important to predict the probability of success of the technique.
Marta Barranquero Gómez
Graduated in Biochemistry and Biomedical Sciences by the University of Valencia (UV) and specialized in Assisted Reproduction by the University of Alcalá de Henares (UAH) in collaboration with Ginefiv and in Clinical Genetics by the University of Alcalá de Henares (UAH).