2. Healthy Male Semen Usually Has These 5 Common Characteristics
A study led by Professor Haggai Levine at Hebrew University of Jerusalem, published in "Human Reproduction Update," analyzed semen samples from over 50,000 men in 53 countries worldwide. They found that over 45 years, global male sperm concentration decreased by 51.6%, and the average number of sperm decreased by 62%.
Additionally, the person in charge of the Yunnan Human Sperm Bank stated that only 19% of sperm donors met the qualifications, causing considerable anxiety among many people.
Sperm vitality, sperm concentration, sperm morphology, etc., are important indicators for assessing male sperm quality. Generally, healthy semen has the following common characteristics!
