Open Veterinary Journal Inhibition of In Vitro Fertilizing Capacity of Cryopreserved Mouse Sperm by Factors Released by Damaged Sperm, and Stimulation b Glutathione production measured in human sperm with comparisons between Download Scientific Diagram Most people are surprised to learn that sperm health isn't something that changes overnight. From the early stages of development through to maturity, a sperm cycle takes around 72 to 90 days. Changes in Sperm Glutathione and Glutathione Redox States Correlate to Poor Sperm Qualitative Measures